News

China widened its lead over the U.S. in a renewable energy ranking compiled by consultant Ernst & Young that gauges the…

This past January, SunPower unveiled the first commercial deployment of its C7 low-concentration photovoltaic tracker. The concentrator…

New York City has publicly posted 2011 energy benchmarking results for over 2,000 large commercial properties. This is the first time…

California surpassed one gigawatt of solar power production last month. One gigawatt can meet the instantaneous demand of at least 750,…

Researchers at the Paul Scherrer Institute studied how to make the semiconductor germanium emit laser light. This could be the basis for…

The US Department of Energy’s National Renewable Energy Laboratory has selected Hewlett Packard and Intel to provide what it says will…

California officials have completed a successful trial of its much-anticipated carbon trading scheme. The cap-and-trade platform will be…

Air conditioners consume a large amount of energy. Nearly all of the world’s booming cities are in the tropics and will be home to an…

President Obama signed an executive order that sets a national goal of 40 GW of new combined heat and power (CHP) by the end of 2020.…

Automakers will now be required to nearly double the average fuel economy of new cars and trucks by 2025 (from 29 mpg to 54.5 mpg). The…

Korean battery maker LG Chem is developing "cable batteries." Flexible batteries have been made before in the form of sheets, but these…

From 1978 to 2005, energy use in homes has remained essentially constant. There have been incredible energy efficiency improvements, but…

The United States emitted the smallest amount of energy-related carbon dioxide in a January-to-March stretch since 1992.

The Institute for Energy Efficiency and the CEEM hosted a Technology Roundtable on concentrator photovoltaics. 35 key stakeholders…

The Pentagon has a strong interest in using renewable energy and alternative fuels to improve U.S. energy security. U.S. Defense…