Valero Invests in Producing Car Fuel From Wood Waste

The cellulosic ethanol movement got a much needed boost yesterday with the announcement that Valero, the nation’s largest independent oil refiner, is investing $50 million into the Mascoma Corporation’s plans to build a commercial sized wood-based biofuel refinery in Kinross, Michigan. Together with subsidiary Frontier Renewable Resources, Mascoma, based in Lebanon N.H., intends to break ground on the facility by …

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An Inexpensive Electric Bike Conversion Kit

Sales of electric bikes have spun into high gear this year — some merchants reporting¬†a 6000% increase in sales. This is good news, because, for short trips, the efficiency and convenience of electric bikes is hard to beat. You may have heard that in the U.S., ¬†40% of all trips are made within two miles of the home, and 50% …

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New Rooftop Wind Turbine Tested: The Helyx

Recently, I wrote about the low-profile Aerotecture wind turbines, which are designed to be installed on the rooftops of city buildings. Now I’ve heard of another rooftop wind turbine under development. It’s called the Helyx Wind Generator, and it’s composed of two twisted wings of fiberglass that rotate around a vertical axis. The turbine is also colored bright green, which …