RFA study shows ethanol produces 3x energy it uses to produce it

April 25, 2022 |

In Washington, corn ethanol now provides nearly three times the energy used to produce it, according to a new analysis by the Renewable Fuels Association, with some biorefineries approaching a four-to-one energy ratio. This continuing improvement in energy balance reflects improved efficiencies in corn production and ethanol processing.

The RFA noted that estimates of the average energy balance ratio for corn ethanol have increased sharply over time. In RFA’s previous analysis, released in March 2016, the association conservatively found the average energy balance ratio of corn ethanol was likely in the range of 2.6 to 2.8, with the top quartile of dry mill biorefineries averaging 3.2 to 3.4.

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Category: Fuels

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