On its way out of town for summer vacation, the U.S. House of Representatives passed an energy bill that would require, among other things, that electric utility companies produce 15 percent of their energy from renewable sources by 2020. In addition, the House energy bill directs the Department of Energy to set new energy efficiency appliance standards, outlaws 100-watt incandescent light bulbs after 2012, and requires that all bulbs be 300 times more efficient than ordinary bulbs are today by 2020. The measure also provides $3.5 billion in subsidies to install E-85 (fuel that is 85 percent ethanol and 15...