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NREL says “no major impact” yet seen in E15, E20 vehicle testing; small non-road engines lack systems to handle higher ethanol blends

In Colorado, researchers at the National Renewable Energy Laboratory are reporting that they have not yet seen “major impact” on vehicles being tested with E15 and E20 blends. NREL is testing 16 vehicles with 1999-2007 model years.
NREL is reporting that the vehicles are reporting a 7.7 percent loss in fuel economy with E20, compared to [...]

New tests show E20 causes less wear in automotive fuel pumps than straight gasoline, no difference vs E10

The Minnesota Center for Automotive Research at Minnesota State University, Mankato is reporting that its tests show that an increase from E10 to E20 does not impact endurance or performance of automotive fuel pumps. The study is the fourth in a series dating back to 2008, commissioned by the Renewable Fuel Association to examine the [...]