The fight over the Renewable Fuel Standard, explained

Back in 2007, Congress passed a law requiring the US to use more and more biofuels — like corn-based ethanol — each year. This is known as the Renewable Fuel Standard. In recent years, gasoline refiners and biofuels producers have been fighting over how much ethanol US cars can safely handle. Refiners say we’ve reached the limit. Last year, the EPA proposed cutting the ethanol targets for 2014, angering biofuels producers and corn growers. After a long delay, the EPA has now delayed setting targets for this year — prolonging uncertainty over the issue.

The fight over the Renewable Fuel Standard, explained

-Vox 11/22/2014