A group of university scientists is urging EPA Administrator Andrew Wheeler to issue a rule finding that agricultural crop residues are carbon-neutral for regulatory purposes, as the agency is poised to release a similar proposed rule for woody biomass used for energy that excludes crops. The 21 scientists, led by Michigan State University (MSU) chemical engineering professor Bruce Dale, say in a May 18 letter to Wheeler and air chief Anne Idsal obtained by InsideEPA/climate that the issue is...