U.S. Army

Researchers at the U.S. Department of Energy’s National Renewable Energy Laboratory (NREL) have developed a unique large-scale power converter that can swiftly switch between multiple energy sources to help

Congressional efforts to block the Environmental Protection Agency’s (EPA’s) contentious rule asserting federal authority over small bodies of water were derailed on Jan. 21. Senate Republicans voted 52–40, failing to override the president’s veto of the so-called “Clean Water Rule”—also “Waters of the United States” (or WOTUS) well short of the 60 necessary votes. Clean […]