In this op-ed, MIT climate research scientist Valerie J. Karplus contrasts raising CAFE standards with gas taxes. While the former may be more politically expedient, she shows how it is less effective in reducing emissions, oil reliance and driving.
Feb 26, 2013 The New York Times
Eric Loveday of AutoBlogGreen explains why we'll be seeing a lot more diesels in the U.S.: increased federal emission standards will only be met by increasing the number of diesel cars on the market.
Oct 24, 2011 AutoBlogGreen