Michigan Congressman John Dingell has long looked out for Detroit's carmakers on Capitol Hill fighting fuel efficiency and tailpipe emissions standards. But now Dingell faces a challenge from one of the greenest Democrats ? California's Henry Waxman.
Since 2010 Representative Henry Waxman (D-CA) has been asking the House to take on climate change. Now the majority Republicans have finally set House climate hearings for September 18, but some Democrats are skeptical the Republicans will give climate science a fair hearing.
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