A Penn State power-system expert cites laws of physics to pull the plug on worries that a terrorist attack on a minor substation could bring down the entire U.S. electric grid.
Gas stations are plentiful in the United States, but what if your ride needs a different kind of juice? A public-private partnership plans to jump-start electrics in six cities.
Geothermal energy, dubbed by some as a 'sleeping giant' or renewable power in the United States, appears as one of the most attractive climate-friendly options available.