Another commission done a little while back for Scientific American Magazine on Biofuels, and the EPA decision to sharply reduce the amount of cellulosic biofuel in the U.S. fuel supply. April 23, 2014 Tiffany Stecker and ClimateWireBy
The U.S. EPA has revised the number of cellulosic biofuel gallons in 2013 that needed to be blended in the U.S. fuel supply to 810,185 ethanol-equivalent gallons — about five ten-thousandths of a percent of the country’s fuel — a move supported by both oil and renewable fuel groups. It’s a drastic reduction from the amount EPA had decided on eight months ago — 6 million gallons — and an even larger decline from the 1 billion gallons the industry was meant to produce in 2013, according to the 2007 law that put the federal renewable fuel standard in place.
The adjusted amount — the number of Renewable Identification Numbers (RINs) registered with EPA minus 8,332 RINs considered to be invalid — reflects the most accurate figure for the sector, said representatives from both oil trade groups and biofuels associations. Cellulosic biofuel makers produce fuels from agricultural wastes, wood, household trash and energy grasses. The fuel is considered to be more environmentally sustainable than biofuels from food crops like corn and soybeans. RINs are credits that represent ethanol-equivalent gallons of biofuels that can be bought and traded by oil companies to comply with the RFS. < Head over to Scientific American online and read the full article >
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