Buying an electric car can increase fuel use allowed by CAFE rules

Researchers at Carnegie Mellon University say incentives to sell alternative-fuel vehicle in federal laws could potentially create a short-term rise in fuel consumption and emissions from major automakers' new vehicles. Professors Jeremy Michalek, Ines Azevedo, and Alan Jenn studied Corporate Average Fuel Economy policies and greenhouse emissions... Buying an electric car can increase fuel use allowed by CAFE rules