The Meanest and Greenest: 2015

Smart fortwo electric Courtesy of Mercedes-Benz USA

Each year, the ACEEE publishes a list of the greenest and meanest cars and trucks -- in other words, the most environmentally friendly vehicles... and the worst. Listen in to learn more about the 2015 Meanest and Greenest.

Topics in this Podcast: howstuffworks, ben bowlin, Scott C. Benjamin