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Some people get a little concerned about more electrics and electric-hybrid cars. Thatís because 50% of electric power in the U.S. comes from coal-burning power plants. And, just about every state wants to build more power plants to meet peak demand. (Photo by Ed Edahl, courtesy of FEMA)

The big automakers are working on coming up with plug in hybrids. By the end of 2010, G-M and Toyota plan to have cars you can plug in to charge up batteries, backed up with small gas powered engines. Lester Graham reports there are concerns about whether pollution from power plants will be any better than pollution from tailpipes:

A related article from USA TODAY

A related blog post from TreeHugger

Producer: Lester Graham
Release Date: August 25, 2008
Running Time: 3:11

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