Liquid coal: Energy source of the future for your car?

Some members of Congress see coal liquefaction as a way to help free the nation from petroleum, and ensure energy security. But opponents charge, it’s just a dirty way to speed up climate change. Living on Earth’s Mitra Taj reports from Washington.

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Hosted by Steve Curwood, “Living on Earth” is an award-winning environmental news program that delves into the leading issues affecting the world we inhabit. More about “Living on Earth.”