EPA to finish up ethanol air quality study by March 2020 after Sierra Club lawsuit

In Washington, Reuters reports that following a lawsuit by the Sierra Club, the Environmental Protection Agency has agreed to the impact of ethanol as a vehicle fuel on air quality by March 2020, part of a partial agreement to settle the lawsuit overall. The Sierra Club says the study was originally due in 2012. The Sierra Club and some other environmental NGOs say that rather than improving air quality as the Renewable Fuel Standard was meant to do that it has instead promoted the conversion of crops to farming while also continuing to depend on combustion engines for transportation.