Under the Renewable Fuels Standard passed in 2007, the Federal government requires certain volumes of ethanol to be blended into the U.S. transportation fuel supply. However, states have discretion as ...

Folks have been experimenting with ethanol in modern combustion engines even when they weren't so modern. Nicolaus Otto, the inventor of the traditional four-cycle engine, used it to power one of his ...

The Biden administration is considering temporarily removing restrictions on summer sales of higher-ethanol gasoline blends as a way to lower fuel costs for U.S. consumers, three sources familiar with ...

With vehicles powered by electricity and alternative fuels like emission-reducing biodiesel becoming available to drivers everywhere, moves to lessen humanity's reliance on fossil fuels are starting ...