The Greenest Green Fuel
Science Looking for a clean fuel that grows anywhere, needs only sunlight and water, and could produce enough oil to free the U.S. from its petroleum addiction? Here´s one start-up's plan for...
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Dirty Biodeisel
A clean fuel plays no less dirty when it comes to business practices Were still in the honeymoon period with new fuel technologies like biodiesel. Theyre clean. Renewable. No more oil-covered seabirds...
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PopSci U: Seven of the Country's Coolest SciTech Courses
Science As students everywhere return to school, the luckiest are heading for caves and rocket firing ranges instead of lecture halls So you want to explore the deepest caves? Design the cars of the...
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How I Converted My Mercedes-Benz To Run On Veggie Oil
Cars Lessons learned from my conversion of a 1984 Mercedes into a grease-mobile Without any sort of approval from my girlfriend, I bought a 1984 diesel Mercedes-Benz through eBay. Two years later, the...
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Your Guide to the Year in Science: 2010
Cars A deeper look at polar ice. An electric-car renaissance. The death and rebirth of major scientific experiments. Read on to discover what this year has in store Our annual sci-tech forecast looks...
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With a Little Help, E. Coli Turns Biomass Directly to Biodiesel
Science We know how to convert biomass to biodiesel, but the economics of doing so makes many prevailing methods of doing so expensive and unfeasible, keeping an alternative-fueled… We know how to...
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Get on the Beef Train: Amtrak Unveils First Biodiesel Commuter Train, Powered...
Technology The so-called green train is slated to run as a one-year experiment. Just how viable is it? Amtrak has unveiled the nation's first biodiesel train, with a surprise twist -- the fuel is...
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Hacking the 21st-Century Auto
Cars A crowdsourced, street-legal rally racer; Neil Young's electric Lincoln Continental; tinkering with an Audi R8's computer for crazy horsepower boosts--and much more Today's cars may seem too...
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To Test New Tech, Researchers Churn an 800-Pound Butter Sculpture into Biodiesel
Science In a patriotic dairy-to-diesel demonstration project proving the breadth of fatty materials that can be converted into useable fuels, a Philadelphia biodiesel producer and… In a patriotic...
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Bio-Electric-Solar Hybrid Triplane Seeks Backers
Aviation Borrowing from aviation’s golden age for our eco-friendly present If completed, the crowdfunded BEHA plane will pair two battery-powered electric turbines with solar panels, wind turbines,...
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