Weaning Off Fossil Fuels (tags)
American rooftops can be the Persian Gulf of solar energy. After Australia, no developed nation on Earth gets more annual sunlight than the United States. In addition, wind is now the fastest-growing energy source worldwide and one of the cheapest. But wind and solar power generate less than 2% of U.S. power. We can do better. We can increase auto fuel economy standards to 40 miles per gallon. The technology to achieve that goal exists now.