Earth2Tech Week in Review

Climate change was debated and filibustered on Capitol Hill this week as the Lieberman-Warner Climate Security Act came up in the Senate. The bill represents the first serious climate change legislation with a cap and trade system on carbon to make it to the Senate floor. In case you were too busy following the Beltway climate politics and missed what was happening in the wider world of cleantech we’ve gathered the top headlines from the week for you here.

12+ Companies Racing to Build U.S. Cellulosic Ethanol Plants: The race to scale up second-generation biofuel technologies is on and a dozen companies are all vying to be the first one to have a commercial-scale plant pumping out non-food biofuel.


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Iogen Suspends U.S. Cellulosic Ethanol Plant Plans: Canadian company Iogen tells us that it is backing away from its intentions to build a cellulosic ethanol plant in the U.S. Iogen was chosen by the Department of Energy in February 2007 to potentially receive funding to build the first of the next-generation of cellulosic ethanol plants in the U.S.

Solar Startup Xtreme Energetics Licenses HP’s Tech: Xtreme Energetics has licensed the technology behind making clear transistors from Hewlett-Packard. The solar startup says the technology will enable the startup to make a more efficient solar panel that can convert up to 43 percent of the sun’s light into energy at a cost of $1.50 per watt.

Bill Gates Slashing Stake in Pacific Ethanol: Bill Gates is making good on his plans, announced last November, to sell off his 20.6 percent stake in Pacific Ethanol.

Green Auto Startup Shows Off Hydrogen-Powered “Scorpion”: A new startup in Texas is looking to bring a hydrogen-hybrid sports car to market by 2010. The Scorpion would make its own hydrogen on-demand and cost $150,000, the company says.

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