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Mascoma and investor Valero plant to build a $232 million plant to convert wood chips normally used for paper or lumber into ethanol, a step forward for the struggling cellulosic ethanol industry.
Start-up Joule Unlimited is on the forefront of using genetic engineering to replace petrofuels, trying to learn from shortcomings of other biofuel technologies.
Mascoma gets up to $50 million from oil refiner Valero Energy to build and use cellulosic ethanol from biorefinery in Michigan.
With backing from GM, ethanol start-up hosts a tour of its biotech lab, where scientists are genetically engineering microorganisms that they hope will bring a breakthrough in ethanol production.
Cellulosic ethanol company says test facility using wood chips and grasses is producing at a rate of 200,000 gallons a year, a step toward commercialization.
To "get ahead of" future challenges brought by capital market turmoil, second-generation ethanol company lays off president and other executives in an effort to preserve cash.
Konarka to make 1 gigawatt of plastic solar cells a year, Mascoma to make ethanol from Michigan wood chips, environmentalists chided for not understanding business, off-shore wind moves ahead in Oregon, the Tango electric mini car, clean tech job creation
General Motors creates a $100 million fund to foster innovative auto technologies, betting that advanced tech will perk up sales.
Improving the microbes and building expensive factories are two of the hurdles awaiting the cellulosic ethanol industry.
Refining giant and automobile mainstay invest in Mascoma's ethanol-making microbes, part of $61 million in third-round funding for the clean-tech start-up.