BiodieselFuelQuality pt1

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Information about BiodieselFuelQuality pt1

Published on February 29, 2008

Author: Haggrid


Biodiesel Fuel Quality and Proper handling:  Biodiesel Fuel Quality and Proper handling Hoon Ge Edward Gorr National Biodiesel Board:  National Biodiesel Board Represents the biodiesel industry as the coordinating body for research and development in the US.  Founded in 1992 by state soybean commodity groups. NBB’s membership is comprised of state, national, and international feedstock and feedstock processor organizations, biodiesel suppliers, fuel marketers and distributors, and technology providers. History of Biodiesel:  History of Biodiesel Machinery Exhibit – 1900 World’s Fair:  Machinery Exhibit – 1900 World’s Fair Rudolph Diesel demonstrated his compression ignition engine, which at the request of the French Government, ran on peanut oil. - Jeffrey Howe History of Biodiesel:  History of Biodiesel Vegetable oils were used in diesel engines until the 1920's when engines began using diesel fuel History of Biodiesel:  History of Biodiesel Energy crunch of the 1970s stimulated biofuels research but federal research monies disappeared in the 1980s. First literature use of the term biodiesel is found in a Chinese paper published in 1988. The next paper using that term appeared in 1991. Biodiesel 101:  Biodiesel 101 Biodiesel Defined:  Biodiesel Defined Biodiesel, n. -- a fuel comprised of mono-alkyl esters of long chain fatty acids derived from vegetable oils or animal fats, designated B100, and meeting the requirements of ASTM D 6751. Biodiesel blend, n. -- a blend of biodiesel fuel meeting ASTM D 6751 with petroleum-based diesel fuel designated BXX, where XX is the volume percent of biodiesel. Definition of Biodiesel:  Definition of Biodiesel Chemically Mono Alkyl Ester Functionally Surrogate for petroleum distillates Nomenclature B100 = 100% pure Biodiesel, AKA “neat” B20 = 20% Biodiesel & 80% petroleum diesel 5 Most Common Methyl-Esters in Biodiesel:  5 Most Common Methyl-Esters in Biodiesel Making Biodiesel:  Making Biodiesel (Catalyst) 100 pounds + 10 pounds = 10 pounds + 100 pounds Triglyceride Alcohol Glycerin Mono-Alkyl Esters _____________________________________________________________________________________________________________ Soy oil Methanol Biodiesel - Raw Vegetable Oil is NOT Biodiesel! - Other ‘biomass’ products aren’t Biodiesel - Must meet ASTM D 6751 Biodiesel Raw Materials :  Biodiesel Raw Materials Oil or Fat Alcohol Soybean Methanol (common) Corn Ethanol Canola Cottonseed Catalyst Sunflower Sodium hydroxide Beef tallow Potassium hydroxide Pork lard Used cooking oils Other Ingredients:  Other Ingredients Alcohol Methanol is primary choice Ethanol is possible Isopropyl, any alcohol can be used in the reaction The decision to be made is the cost of the material, the reaction time/vessel sizes, the cost/capability to recover the excess Catalyst Sodium Methylate is primary choice Potassium Methylate is possible NaOH/KOH, while they can be used introduce water to the reaction Fixed catalysts are being developed for efficiency in process No catalyst is required, but the yield is low, inefficient process The Biodiesel Reaction:  The Biodiesel Reaction Vegetable Oil or Animal Fat (100 lbs.) + Methanol or Ethanol (10 lbs.) Biodiesel (100 lbs.) + Glycerine (10 lbs.) In the presence of a catalyst Combining Yields Important Biodiesel Parameters:  Important Biodiesel Parameters Removal of Glycerin Insured through total and free glycerin tests Europe has a percent ester spec but ASTM chose not to do Will cause injector coking, filter plugging, sediment formation Shortens shelf life Removal of Catalyst Insured through sulfated ash test May cause injector deposits and/or filter plugging Important Biodiesel Parameters:  Important Biodiesel Parameters Removal of Alcohol Insured through flash point or GC tests May cause premature injector failure, safety concern Removal of Free Fatty Acids Insured through acid number test Will cause fuel system deposits and effect fuel pump and filter operation Biodiesel Attributes:  Biodiesel Attributes High Cetane (avg. over 50) Ultra Low Sulfur (avg. ~ 2 ppm) High Lubricity, even in blends as low at 1-2% High Energy Balance (3.2 to 1) Low Agriculture Inputs: Soybeans 78% Life Cycle CO2 Reduction Renewable, Sustainable Domestically Produced Reduces HC, PM, CO in existing diesel engines Reduces NOx in boilers and home heating Biodiesel ASTM D6751:  Biodiesel ASTM D6751 Property ASTM Method Limits Units Calcium & Magnesium, combined EN 14538 5 max ppm (ug/g) Flash Point (closed cup) D 93 93 min. Degrees C Alcohol Control (One of the following must be met) Methanol Content EN14110 0.2 Max % volume Flash Point D93 130 Min Degrees Water & Sediment D 2709 0.05 max. % vol. Kinematic Viscosity, 40 C D 445 1.9 - 6.0 mm2/sec. Sulfated Ash D 874 0.02 max. % mass Sulfur S 15 Grade D 5453 0.0015 max. (15) % mass (ppm) S 500 Grade D 5453 0.05 max. (500) % mass (ppm) Copper Strip Corrosion D 130 No. 3 max. Cetane D 613 47 min. Cloud Point D 2500 Report Degrees C Carbon Residue 100% sample D 4530* 0.05 max. % mass Acid Number D 664 0.50 max. mg KOH/g Free Glycerin D 6584 0.020 max. % mass Total Glycerin D 6584 0.240 max. % mass Phosphorus Content D 4951 0.001 max. % mass Distillation, T90 AET D 1160 360 max. Degrees C Sodium/Potassium, combined EN 14538 5 max ppm Oxidation Stability EN 14112 3 min hours ASTM - D6751 (B100):  ASTM - D6751 (B100) Review your fuel analysis to ensure incoming fuel meets agreed upon specifications If either the biodiesel or generic diesel fuel fails to meet the agreed specification, notify your fuel supplier immediately Retain samples (quart) minimum should analytical work be required to evaluate future issues Emissions:  Emissions U.S. CO2 Emissions:  U.S. CO2 Emissions Transportation Emissions Increasing:  Transportation Emissions Increasing Biodiesel CO2 Cycle:  Biodiesel CO2 Cycle Reduction in Emissions:  Reduction in Emissions EPA HD Emissions Averages:  EPA HD Emissions Averages Historical Overview of NOx Issue:  Historical Overview of NOx Issue Up until early in 2005 it was widely accepted that B20 caused a small, 2%, increase in NOx Conclusion of EPA review published in 2002 Based in large part on data acquired by McCormick and coworkers, Sharp and coworkers, etc. In February of 2005 we tested 3 vehicles that showed NOx reduction Subsequent review of EPA’s analysis showed that nearly half of the data reviewed were for one engine model Subsequent tests with a range of engine models are finding changes in NOx that range roughly from about +5 to -5% Varies with engine model Average change is zero Dataset is NOT representative of in-use vehicles NOx Emissions, Chassis Data:  NOx Emissions, Chassis Data Bus Chassis Dynamometer Testing: Using B20 in City Suburban Heavy Vehicle Cycle Cummins ISM 2000 Engine. Unexpected NOx REDUCTION of 5% with statistical confidence of >99%. NOx emission changes are caused by differences in test cycles and engine technology. Graph taken from NREL website: Supply and Demand:  Supply and Demand Biodiesel Demand:  Biodiesel Demand Heating Oil Market:  Heating Oil Market Almost as much heating oil is sold in the Northeast as on highway diesel fuel 5.1 billion gallons vs. 5.5 billion gallons Heating oil industry is attempting to remake itself as more environmentally friendly and renewable Could provide a good winter outlet for biodiesel Work is being done to integrate into Underwriters Laboratory certification If Every Trucker Used B2:  If Every Trucker Used B2 The industry would utilize 761 million gallons of B100 annually. Fuel Availability:  Fuel Availability Fuel available through direct shipment from over 1,956 petroleum distributors nationwide Over 1,234 retail filling stations nationwide 648 locations are semi-truck accessible Movement towards biodiesel at the terminal – over 158 terminals nationwide Distribution Locations:  Distribution Locations Biodiesel Production Capacity:  Biodiesel Production Capacity Production Locations (9/7/07):  Production Locations (9/7/07) Size of Current Plants:  Size of Current Plants Construction Capacity 1.38 billion gallons per year Average Plant Size 16.3 million gallons per year 165 Plants Biodiesel Plants Under Construction and Expansion (9/7/07):  Biodiesel Plants Under Construction and Expansion (9/7/07) Size of Plants Under Construction & Expansion:  Size of Plants Under Construction & Expansion Construction Capacity: 1.89 billion gallons per year Average Plant Size: 18.7 million gallons per year Production Capacity by State (9/7/07):  Production Capacity by State (9/7/07) Production Capacity Trends:  Production Capacity Trends The industry is tending towards larger facilities Vegetable oil facilities are larger than recycled cooking oil plants Plants capable of handling multiple feedstocks are becoming more common Production capacity does not equal production for several reasons Some facilities are just starting up Some facilities choose to run less than 24/7 Some facilities have no effectively debottlenecked their systems to maximize their output Some facilities overestimate their capacity Blending ULSD and Biodiesel:  Blending ULSD and Biodiesel ULSD and Biodiesel:  ULSD and Biodiesel Biodiesel is slightly heavier than petroleum diesel with a gravity value of 0.88 versus 0.85. Biodiesel should be introduced after diesel fuel and should be agitated in the tank during splash blending procedures. Storage and blending of B100 should be maintained at +10 degrees F above the B100’s cloud and pour point to blend successfully. Blends will not separate in the presence of water. Blending Options (Splash):  Blending Options (Splash) The biodiesel and diesel fuel are loaded into a tank separately with relatively little mixing occurring as the fuels are placed in the tank. The tank is usually the actual delivery truck. The delivery truck movement as well as the physical drop at the end user’s site provides adequate agitation to successfully blend the fuels. Blending Options (In-Tank Blend):  Blending Options (In-Tank Blend) Biodiesel and diesel fuel are loaded separately, or at the same time through different incoming sources, but at high speeds which sufficiently mix without the need for additional mixing, recirculation or agitation. Similar to splash blending but not dependent on delivery activity to continue mixing procedures. Blending Options (Bottom Loading):  Blending Options (Bottom Loading) B20 is frequently blended in bottom loading tank trucks Biodiesel loaded first, followed by diesel fuel where mixing begins. Putting B100 into a cold empty truck can cause the B100 to gel which prohibits mixing properly Blend Options (In-Line Blend):  Blend Options (In-Line Blend) Biodiesel is added to a stream of diesel fuel as it travels through a pipe or hose in such as way that the biodiesel and diesel fuel become thoroughly mixed by the turbulence encountered in the pipe. Why Blend Biodiesel into ULSD?:  Why Blend Biodiesel into ULSD? Compatible with the compression ignition platform and with diesel fuel itself Greatly enhances lubricity of ULSD Compatible with 2007 diesel engine catalysts Aids with ULSD conductivity issues Reduces harmful emissions Power and performance virtually unchanged Seamless & transparent with existing petroleum infrastructure, (liquid not gaseous) Promotes national energy security Renewable, non-toxic, green blend stock option ULSD:  ULSD ULSD & Lubricity:  ULSD & Lubricity Sulfur compounds are natural lubricants in diesel. ULSD regulations are causing major concerns with diesel engine performance. ASTM lubricity requirement effective Jan 1, 2005 for diesel fuels. ASTM D 6079 -High Frequency Reciprocating Rig (HFRR) -Wear Scar Maximum = 520 micrometers Biodiesel Adds Significant Lubricity to ULSD:  Biodiesel Adds Significant Lubricity to ULSD The average lubricity of Biodiesel blends compare to lubricity additives. Lubricity:  Lubricity Effects of Biodiesel on the Lubricity of Diesel fuel. Cold Weather Operability :  Cold Weather Operability CFPP Testing of ULSD Bio Blends:  CFPP Testing of ULSD Bio Blends 2007 Engines:  2007 Engines 2007 Model Year Engines:  2007 Model Year Engines EPA regulations require reduced sulfur in diesel fuel for 2007 model year engines 80% of highway diesel fuel must be ULSD (< 15ppm sulfur) beginning june1, 2006 Catalyzed Diesel Particulate Filters can eliminate 99% of solid particles (soot & metals) and eliminate >90% of semi-volatile hydrocarbons. Source: EPA Diesel Particle Filters (DPF):  Diesel Particle Filters (DPF) Diesel particle filters (DPF) are found in all 2007 model year diesel vehicles. What possible advantages or disadvantages may result from using biodiesel blends in these engines? The National Renewable Energy Laboratory (NREL) has conducting a study in order to define these effects on DPFs. Indicators of DPF Performance:  Indicators of DPF Performance Filter regeneration rate increased significantly when using blends as low as B5. Lower particulate temperature and less particulate input contributed. “Biodiesel Effects on Diesel Particle Filter Performance.” National Renewable Energy Laboratory, March 2006. Materials Compatibility:  Materials Compatibility B100 may adversely affect some elastomers such as natural or nitrile rubbers over time. Most elastomers used after 1993 are compatible with B100 (Viton/Teflon). Blends (B20) effect is less, or non-existent. Normal monitoring of hoses and gaskets for leaks is sufficient with B20. Consult with your parts supplier or mechanical engineering partners. Materials Compatibility:  Materials Compatibility Biodiesel and biodiesel blends will form high sediment levels when in contact with the following metals: -Brass, Bronze, Copper, Lead, Tin and Zinc Biodiesel is compatible with: -Mild and Stainless Steel, Aluminum Biodiesel Position with OEM’s:  Biodiesel Position with OEM’s Original Equipment Manufacturers: B100 Must Meet ASTM D 6751 Most OEM HQ’s have B20 experience: Won’t void warrantee Problems caused by the fuel are the responsibility of the fuel supplier Want to see additional experience in the field Higher blends OK’d based on experience of OEM and their technology Housekeeping:  Housekeeping Slide62:  No matter where you are in the supply chain both you and your staff are responsible for ensuring optimum storage environments for your fuels The three basic ways which fuel may become contaminated are air, water and the fuel itself Exposure to Air:  Exposure to Air Enters through vent pipes and contains large amounts of moisture. Generally displaces the fuel as tank is emptied. It is not practical to keep air from entering the tank. Will increase the oxidation of fuel. Do not store fuels for long periods of time in partially empty tanks without stabilizers. Consider desiccant dryers. Water:  Water Free water in the fuel system accelerates corrosion and fuel degradation, it can also create a fertile growing place for “bugs.” Poor tank design has made complete removal of water impossible. Enters mostly as condensation from air. Vents and seals that are poorly constructed or maintained can allow water to infiltrate the storage tank. Exposure to Fuel Contaminants:  Exposure to Fuel Contaminants Stored fuel will degrade forming insoluble materials. Insolubles will plug filters, foul injectors and form combustion system deposits which promotes fuel system corrosion. Fuel can bring in contaminants during the delivery process, sand, dirt etc. Lack of housekeeping practices will absolutely increase operational headaches. Maintaining Your Fuel Quality:  Maintaining Your Fuel Quality Begin by specifying ASTM designed fuels, 6751 and 975 Reference cold weather performance and other special needs prior to ordering Be proactive with general housekeeping practices Maintain optimum storage conditions Execute a quarterly fuel analysis program to ensure good preventative measures. Steps to Maintaining Fuel:  Steps to Maintaining Fuel Store Fuel in Clean, Dry Dark Environment Keep Tank Topped off to eliminate head space Monitor hoses, fill/vapor caps, gaskets for leaks Storage in on-site tanks should be limited to less than 6 months. Once a year send your fuel to lab to be tested for microbial contamination Tips for Biodiesel Handling:  Tips for Biodiesel Handling In the winter months, it’s important to use appropriate additives to ensure good winter-weather operability. If any biodiesel is spilled, it is important to clean it up quickly. Pure biodiesel may remove paint from equipment. Tips for Biodiesel Handling:  Tips for Biodiesel Handling When switching from diesel fuel to biodiesel blend, it may be necessary to change the fuel filter an extra time or two. Quality Issues:  Quality Issues Biodiesel Issue:  Biodiesel Issue Monoglyceride Build-up (rare) Monoglyceride is one substance that can precipitate out of fuel if the glycerin levels are too high in the biodiesel used in the blend Other Issues We have Seen Paraffin Wax :  Other Issues We have Seen Paraffin Wax High level of paraffin material could be from the way ULSD is processed. When the temperature of the fuel is at or below its cloud point, paraffin material will precipitate out and collect on the bottom of the tank. Paraffin build-up does not come from biodiesel fuel. Icing of the filter Since the temperatures of engines are warm, any moisture picked up within the engine can be brought back to the fuel lines. This moisture can freeze overnight in low ambient temperatures. Sediment/Rust build-up :  Sediment/Rust build-up Some of the filters had solid sediment within the folds and solid particles in the filter casing. Sediment present in the fuel or rust particles from within the engine can collect over time and plug the filter even when there are not necessarily problems with the fuel. Oxidation Because many newer engines run at higher temperatures, there may be a black “asphaltene” type material collecting on the filter. This phenomenon has been seen all around the country, often in newer engines. Microbial Growth :  Microbial Growth Several filters showed high content of live microbial organisms or a build-up of dead microbial material. The filters with microbial contamination often had an odor different from the normal fuel smell. The lack of sulfur in biodiesel and ULSD aids in the build-up of such organisms since sulfur is a key component of many biocides and is a natural inhibitor of bacterial and fungal growth. What Are Microbes?:  What Are Microbes? Where Do They Come From?:  Where Do They Come From? Air Contains airborne microorganisms, yeast and mold spores, and dirt particles that can enter through tank vents. Water Water, unless sterilized, can contain a variety microorganisms. Treatment and Prevention:  Treatment and Prevention Biocides Three major groups: Fuel soluble, Water soluble, and Universally soluble. Need to be EPA registered and compatible with the lubricant. Preventing Fuel Contamination Preventing contamination from air and water requires proper tank maintenance and cleaning Biocide: Universally Soluble:  Biocide: Universally Soluble Stable in both fuel and water. Primarily fuel soluble with sufficient water solubility to perform in both phases. Can be transported throughout the fuel system and be effective against biofilms and bottom water microbes. Contains sulfur. Relatively expensive. Preventing Contamination: Tank Cleaning:  Preventing Contamination: Tank Cleaning Can be expensive and disruptive. Needs to be used in conjunction with a biocide treatment. The biocide should be used after the tank is clean, then fuel should be added (to eliminate microbes collected on the bottom of the tank). As a preventative measure, it is important to keep tanks as full of fuel as possible, and to keep the amount of air in the tank minimal. Renewable Fuel Standard and RINs:  Renewable Fuel Standard and RINs How it all began:  How it all began Energy Policy Act of 2005 (EPAct05) provides for a renewable fuels requirement. The RFS Program took effect September 1, 2007 Renewable Identification Numbers (RINs):  Renewable Identification Numbers (RINs) RINs are generated by renewable fuel producers and importers and assigned to batches that they transfer Represent volumes of renewable fuel produced. RINs are the tools obligated parties utilize to demonstrate compliance with their annual renewable fuel volume obligations. RIN Codes:  RIN Codes The Renewable Identification Number (RIN) is a 38-character numeric code in the format: KYYYYCCCCFFFFFBBBBBRRDSSSSSSSSEEEEEEEE K RIN assignment code (1=assigned, 2=unassigned) YYYY Year batch is produced/imported (when it leaves the facility) CCCC Company registration ID FFFFF Facility registration ID BBBBB Producer assigned batch number RR Equivalence Value for the renewable fuel D Renewable type code (1=cellulosic; 2=non-cellulosic) SSSSSSSS RIN Block Starting Number EEEEEEEE RIN Block Ending Number Equivalence Values:  Equivalence Values The Equivalence Value indicates how many gallon-RINs can be generated for each gallon of renewable fuel The EPA has specified the Equivalence Value for several renewable fuels using volumetric energy content in comparison to ethanol (adjusted for renewable content) Corn-ethanol: 1.0 Cellulosic biomass ethanol: 2.5 Biodiesel (alkyl esters): 1.5 Renewable diesel: 1.7 Biobutanol: 1.3 Compliance by Marketers/Producers:  Compliance by Marketers/Producers Biodiesel Producer or Importer: Must attach RINs to volumes of fuel and transfer those RINs for any blends greater than B80 (on-road) An assigned RIN cannot be transferred to another party without simultaneously transferring a volume of renewable fuel to that same party. ("Transfer" means a change in ownership, not custody; Change in custody but not ownership has no RIN responsibilities) Compliance:  Compliance At the end of each quarter: Cannot own any more assigned RINs (with K = 1) than gallons of renewable fuel (adjusted for its Equivalence Value) Sum of assigned gallon-RINs Volume of renewable fuel owned X Equivalence Value per volume This requirement ensures that, at least quarterly, RINs have been transferred with volume and obligated parties have opportunities to get RINs ≤ Quarterly Reporting:  Quarterly Reporting RIN Generation Report: Each facility owned by a renewable fuel producer must report information pertaining to the RINs generated and attached to a “batch” produced; or imported. RIN Transaction Report: Any transaction where biodiesel produced is sold to a second party will need a separate report submitted to document change of ownership transactions (including providing registration information for 2nd party) RIN Activity Report: Summary report for RIN related activity during a quarter for RINs owned by the reporting party. Includes status (assigned or separated); volumes of renewable fuel owned at the end of a quarter; current year RINs owned at start of quarter; etc. Annual Reporting:  Annual Reporting Attest Engagement: Annual “attest engagement” completed by a CPA or certified internal auditor to verify the accuracy of the information contained in the reports submitted to EPA by covered entities. Due Date: Attest Engagements are due May 31st of the year following compliance year. (Ex. May 31, 2009 for compliance year 2008). Registration with the EPA:  Registration with the EPA Any entity that owns or intends to own biodiesel with RINs attached is required to register with the EPA. Registration with the EPA is required prior to owning fuel with RINs attached. Additional RFS Resources:  Additional RFS Resources Renewable Fuel Standard Regulations Compliance Help Information PMAA is working with their state associations in an effort to disseminate information to their member marketers as quickly as possible to help educate them on their compliance requirements. BQ-9000:  BQ-9000 BQ-9000 “Quality Assurance Program” :  BQ-9000 “Quality Assurance Program” “Specifies requirements for a quality assurance program where an organization needs to demonstrate its ability to provide product that meets ASTM D 6751… and applicable regulatory requirements, and to address quality assurance through the effective application of the program…” HELPS ENSURE THAT END-USER IS GETTING HIGH-QUALITY BIODIESEL!! Slide93:  NBB Fuel Quality Policy Fuel Quality:  Fuel Quality Fuel quality is of the utmost concern and importance to the biodiesel industry. ASTM D 6751 is the specification for biodiesel fuels irrespective of the feedstock source and/or processing method. BQ-9000 Assures “cradle-to-grave” fuel quality Who and What are Accredited:  Who and What are Accredited Two accreditations possible for companies: BQ-9000 Accredited Producer BQ-9000 Certified Marketer BQ-9000 accredits companies, not fuel There is no such thing as 'BQ-9000 Biodiesel' BQ-9000 does, however, help insure that biodiesel produced and sold will meet D 6751 Benefits of BQ-9000:  Benefits of BQ-9000 Provides the biodiesel users (individuals, fleets, government agencies, etc.) with a feeling of confidence Improved consistency saves biodiesel producers and marketers time and money by minimizing problems with out of specification fuel Your competitive position within the industry is strengthened as you gain a market advantage through recognition of quality BQ-9000 Initial Registration:  BQ-9000 Initial Registration Complete the Application Submit Quality Manual Pay $1000 application fee Provide proof of EPA Registration BQ-9000 Accreditation:  BQ-9000 Accreditation The Commission reviews the application and application materials: Applications considered administratively complete shall be accepted for processing and audit. $ 2,500 Certification Audit Fee BQ-9000 Accreditation:  BQ-9000 Accreditation Auditor is assigned, establishes the audit schedule with applicant. Desk audit to verify written compliance On-site audit to verify compliance. The Commission reviews results of audits, votes on the company’s status. If applicant passes audit, Commission grants accreditation for 2 years. Accreditation Timeline:  Accreditation Timeline Slide101:  ALWAYS BUY PRODUCT FROM BQ-9000 CERTIFIED PRODUCERS OR MARKETERS!!! Accredited Producers (19):  Accredited Producers (19) Certified Marketers (9):  Certified Marketers (9) BQ-9000 Information Through the NBB: BQ-9000 Information Through the NBB Find information on the requirements for the program and a list of accredited producers/marketers on the NBB website. Biodiesel Resources:  Biodiesel Resources Educational Resources:  Educational Resources BEN: Biodiesel Education Network Web-based resource specifically for petroleum marketers Partnership between NBB/PMAA NBB Resources:  NBB Resources: Technical Library Biodiesel Bulletin Informational Resources Technical Resources Educational Videos Available On-line Database & Spec Sheets Other Biodiesel Resources:  Other Biodiesel Resources Biodiesel Magazine A ‘MUST HAVE’ magazine Biodiesel Industry Directory On-Line Biodiesel Help-line:  Biodiesel Help-line Established to: Provide triage for fuel problems problems not adequately addressed by distributors/producers Diagnose/analyze/assist with problems from: customers fleets fuel distributors Provide assistance through chemical analysis Through the use of third party Lab Help provide assistance to users to ensure the image/integrity of Biodiesel is maintained. Contact Information:  Contact Information The National Biodiesel Helpline is: For when you cannot get help elsewhere. Not meant for General guidance issues. You should always begin by asking your fuel supplier, they will most likely be able to answer your question more accurately. 800-929-3437 952-473-0182 Questions:  Questions

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