Sentences with phrase «increase deadly air pollution»

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.

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 -LSB-...]