The government aims to boost ethanol without evidence that it saves money or helps the environment
- Written by André Boehman, Professor of Mechanical Engineering; Director, W.E. Lay Automotive Laboratory, University of Michigan

President Donald Trump has promised his supporters in Iowa that the federal government will take a step that may increase corn ethanol sales.
This plant-derived fuel, which comprises about 10 percent of the 143 billion gallons of gasoline Americans buy each year,...