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What Are E-Diesel Fuels? E-diesel is a blend of standard No. 2 diesel fuel containing up to 15% ethanol and a proprietary additive to maintain blend stability and certain fuel properties such as cetane number and lubricity. The proprietary additives may comprise from 0.2% to 5.0% of the blend. Currently E-diesel fuels are considered experimental. They can be used legally in off-road applications but for on-road use special permission must be obtained from the U.S. Environmental Protection Agency (EPA). How Are E-Diesel Fuels Made? E-diesel is made by splash blending of conventional diesel, fuel-grade ethanol, and additives. No special mixing protocol or temperature control is required. Why the interest in using E-diesel blends? Tests have shown that E-diesel blends may reduce certain components of exhaust emissions compared to regular No. 2 diesel, especially particulate matter. The ethanol in E-diesel blends is also a domestic renewable resource. The use of greater volumes of ethanol reduces crude oil imports and results in lower contributions to greenhouse gases. E-diesel.org |