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Biodiesel is a renewable, biodegradable fuel that can be manufactured domestically from vegetable oils, animal fats, or recycled restaurant grease. It is a cleaner-burning replacement for petroleum diesel fuel.

Biodiesel is a liquid fuel often referred to as B100 or neat biodiesel in its pure, unblended form. Like petroleum diesel, biodiesel is used to fuel compression-ignition engines, which run on petroleum diesel. 

How well biodiesel performs in cold weather depends on the blend of biodiesel. The smaller the percentage of biodiesel in the blend, the better it performs in cold temperatures. Regular No. 2 diesel and B5 perform about the same in cold weather. Both biodiesel and No. 2 diesel have some compounds that crystalize in very cold temperatures. In winter weather, fuel blenders and suppliers combat crystallization by adding a cold flow improver. For the best cold weather performance, users should work with their fuel provider to ensure the blend is appropriate.

More Information Located on the Alternative Fuels Data Center

America's First Biofuels Corridor

Interstate 65, between Gary, Indiana and Mobile, Alabama is now America's First Biofuels Corridor. The project concept, originating with the U.S. Department of Energy called for an increase in the biofuels fueling infrastructure along the interstate to be upgraded, giving drivers the opportunity of traveling the entire corridor using E85 ethanol or B20 biodiesel. With the completion of this project, drivers are no more than a tankful away from the next biofuels pump.

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National Biodiesel Board

The National Biodiesel Board (NBB) is the national trade assocation representing America's first Advanced Biofuel. The group works to create sustainable biodiesel industry growth through education, communication, governmental affairs, technical and quality assurance programs. Serving as the coordinating body for research and development in the US the National Biodiesel Board is comprised of state, national, and international feedstock processor organizations, biodiesel suppliers, fuel marketers and distributors, and technology providers.