Colorado firm uses micro-organisms to turn coal into methane underground.

Some installers and devlopers snatch up panels at bargain prices, while credit crunch limits others' participation.

Dutch foundation develops system for finding, funding and tracking small-scale water sanitation projects across the globe.

Science Applications International and General Atomics secure contracts through 2010 to help commercialize biofuel for military jets and vehicles.

Georgia plant expected to power 10,000 homes using materials from local forest industry starting in August.

New membrane allows for cheaper components, such as nickel, but restricts power output.

U.S. venture capitalists predict that cleantech will be the only sector that won't see a decline in 2009.

Companies paid up to $5B each based on the actual savings of energy and water.

In the spirit of a carbon-emissions trading market, India plans to establish a way to reward energy savings.

Stock down 19 percent as fuel cell maker announces layoffs to streamline operations and focus on powering vehicles.

Company touts its products' reliability and performance as key to two latest sales.

New consortium asks government to level playing field with Asian competitors in race to make batteries for electric vehicles.

As company switches CEOs, Planktos plans to break into copper mining.

Cleantech closes the year with a bang, with a record 41 deals announced that span efficiency, biopesticides, solar and biofuels.

Gary Rieshel of Qiming Venture Partners describes why China is emerging as a lab for water and cleaner coal technologies.

Stealthy startup plans to fuel 1,000 MW of projects in Canada as it gets exclusive license to underground coal gasification technology for North America.

Norwegian government rejects electric automaker's plea for $40 million in loan guarantees.

Researchers study termites' ability to break down wood as the potential solution for cheaply producing alternative fuels.

Formerly Lion Cells, lithium-ion battery maker plans for commercial production in 2009.

Dubai-based firm plans to raise $150 million by March for energy technologies and open an office in India.