Reinventing the Engine: The Digest’s 2015 8-Slide Guide to the DOE’s Quadrennial Review of Engine Technology
by Jim Lane (Biofuels Digest) Transportation in the United States produces 1.8 gigatons of carbon dioxide-equivalent GHG emissions (27% of U.S. totals) and is a significant source of criteria pollutants, particularly nitrogen oxide, carbon monoxide, and particulate matter. Emissions have