2006年11月16日
ENS美國,華盛頓特區報導;謝芳怡編譯;蔡麗伶審校
25 Percent Renewable Energy by 2025 Possible for USA
Renewable resources could produce 25 percent of the electricity and motor vehicle fuels used in the United States by 2025 at little or no additional cost, finds a RAND Corporation study issued today. Renewable sources currently provide about six percent of all U.S. energy supplies.