A DOE laboratory says 850 utilities offer green power programs and sales of green power increased about 20 percent between 2007 and 2008.
Energy & Environmental Research Center has developed a system that produces high-pressure hydrogen on demand.
The retail division of the ACE Group is launching a contractors' pollution liability program.
The company will pay a $1.7 million penalty and spend millions to correct violations in seven states that were found after Invista took ownership of the DuPont facilities.
More than $1.6 million has been awarded to Duke University, Resources for the Future, and the World Resources Institute to study designs for a cap-and-trade system.
The system helps fleet owners increase the time between oil changes.
The nine hazardous wastes sites are located in seven states, and an additional 13 sites in 12 states are being considered for the National Priorities List.