WASHINGTON, June 12 (UPI) -- Ethanol production saves U.S. consumers $150 to $300 per household in gas costs per year, adding slightly to food costs, two Cabinet secretaries said.

WASHINGTON, June 11 (UPI) -- The National Nuclear Security Administration's new computer improves the agency's abilities to certify that the U.S. nuclear weapons stockpile is reliable.

WASHINGTON, June 3 (UPI) -- The U.S. Department of Energy submitted an 8,600-page application Tuesday to store nuclear waste underground at Yucca Mountain in Nevada.

WASHINGTON, June 3 (UPI) -- A license application for the first U.S. national repository for spent nuclear fuel was filed Tuesday for a Nevada site, the Energy Department said.

LISBON, Portugal, May 29 (UPI) -- The United States and Portugal have signed an agreement to enhance counter-terrorism cooperation to prevent illicit nuclear shipping.

WASHINGTON, May 28 (UPI) -- The U.S. energy secretary signed an energy agreement with Portuguese leaders.

PORT-OF-SPAIN, Trinidad and Tobago, May 14 (UPI) -- U.S. Energy Secretary Samuel Bodman has urged Trinidad and Tobago to do more with alternative energy.

HANOVER, Germany, May 6 (UPI) -- The wind energy industry is beginning to repower existing turbines for greater efficiency and expanding to offshore locations in Europe, and despite unstable incentives for wind power in the United States, strong growth potential and the weak dollar are buoying interest in the U.S. market.

WASHINGTON, April 21 (UPI) -- The U.S. Department of Energy says it's selected small-scale biorefinery projects in Maine, Kentucky and Tennessee for up to $86 million in funding.