The expected introduction of plug-in hybrid electric vehicles could cut U.S. gasoline use, but could increase deadly air pollution in some areas, two reports say.That’s because a plug-in’s lower tailpipe emissions may be offset by smokestack emissions from the utility generating plants supplying electricity to recharge the big batteries that allow plug-ins to run up to 40 miles without kicking on their gasoline engines. Plug-ins, called PHEVs, are partly powered, in effect, by the fuel used to generate the electricity.
Read the rest of the story at USA Today
Plug-in Cars Could Actually Increase Air Pollution is a quite interesting post but quite difficult to understand for me –