Tennessee researchers warn against excessive optimism over E20 tests with non flex-fuel vehicles

In Tennessee, researchers at Oak Ridge National Laboratory warned against excessive optimism over an early pilot study on the impacts of E20 ethanol in non flex-fuel vehicles. The study found no strongly adverse impacts, including increased emissions or vehicle damage. However, the research team cautioned that tests were conducted over a few hundreds of miles, and wear and tear issues would be more comprehensively studied in an expanded study that would run 80 test vehicles for 50,000 miles each.

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