Which Vehicle Holds the Smallest Carbon Footprint?

A new study by Carnegie Mellon University researchers finds that in some regions of the United States electric vehicles have the smallest carbon footprint, but in other regions, hybrids do. Carnegie Mellon Professor of Engineering and Public Policy and Mechanical Engineering Jeremy Michalek, Associate Professor of Engineering and Public Policy Inês Azevedo and University Professor of Civil and Environmental Engineering Chris Hendrickson, together with Mili-Ann Tamayao, a professor at the University of the Philippines who earned his Ph.D. in engineering at CMU, studied carbon dioxide emissions of different vehicles in different regions. Read the full story here.