The U.S. has become a net exporter of gasoline for the first time in fifty years. Thanks to rising production at refineries and declining demand, the United States exported more gasoline than it imported in December. The unusual development reflects the segmented U.S. energy market — the East Coast needs to import gas while the Midwest produces a surplus.
In his book The Hockey Stick And The Climate Wars, Michael Mann discusses what he calls a well-funded campaign to discredit climate change. He describes efforts by opponents with ties to the fossil fuel industry to harass climate scientists and create doubt about climate change.
David Greene talks to materials chemist Donald Sadoway from the TED (Technology, Entertainment and Design) conference in Long Beach, Calif. Sadoway is the co-inventor of the liquid metal battery. It's inexpensive, super efficient, sustainable and can provide large scale energy storage.
With gasoline prices on the rise and pressure mounting to make better use of domestic energy, natural gas vehicles are making a comeback. Climate change is also driving demand — natural gas produces 20 to 30 percent fewer carbon emissions than diesel.
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