Washington: Ordinary paper could one day be used as a lightweight battery to power the devices that are now enabling the printed word to be eclipsed by email, ebooks and online news.

Washington: Scientists at the Technion-Israel Institute of Technology have developed a new, environmentally friendly silicon-air battery capable of supplying non-stop power for thousands of hours without needing to be replaced.

U.S. biofuel company Solazyme Inc said on Thursday it will be providing its algae-derived jet fuel to the U.S. Navy for testing and certification.

Privately held Solazyme will sell 1,500 gallons of the green fuel to the U.S. Navy, which is buying fuel from the San Francisco-based company for the second time.

Lithium-ion batteries have a limited number of charge cycles in electric vehicles, but once a car's battery pack goes kaput, it can be recycled or find new life in less demanding applications - storing renewable energy generated during off-peak hours, for example. At least that's the theory.

Toyota Motor Corp will buy hybrid-car batteries from Sanyo Electric Co, a source familiar with the matter said, as the automaker struggles to meet growing demand for the fuel-sipping vehicles due to a shortage of battery supply.

Seeking to put the nation back in the lead on an important technology, the Obama administration awarded more than $2 billion in grants on Wednesday for manufacturing advanced batteries and other components for electric cars.

Renewable energy service providers yesterday urged the government to form a body to implement the renewable energy policy to develop the green energy resources and meet 10 percent of the national demand for power by 2020.

A group of Canadian green energy and technology companies pitched for investment on Wednesday, saying they are poised to flourish from government stimulus spending and tougher environmental regulations.

General Electric Co plans to invest $100 million in a factory to build high-tech batteries for heavy equipment, which it believes could be a $1 billion business over the next decade.

An important and realistic front page report was published in a local English daily on the subject. It deserves national attention and urgent action by the government if it is really serious in providing more power within the next two years (by December 2012).

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