It would allow businesses to buy licenses to emit greenhouse gases from other firms that use less energy.

VOA: standard.2009.05.30

The disaster comes as Obama administration attempts to chart a course toward U.S.energy independence and less reliance on fossil fuels.

VOA: standard.2010.05.02

He said Russia will none-the-less continue to push for domestic energy efficiency and cuts in carbon emissions.

VOA: standard.2009.12.25

"We say,find more American energy and use less--energy that is as clean as possible, as reliable as possible, and at as low a cost as possible.

VOA: standard.2009.04.25

Alexander said the Obama administration's proposed subsidies for solar, wind and agricultural energy development will not make much difference, since those forms of energy provide less than two percent of America's electricity.

VOA: standard.2009.04.25