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We've seen cars that run on biodiesel and even those propelled by wood pellets, but neither of these alternative fuel sources pose a near-term alternative to petrol-based gasoline. But, what if we could produce gas from a more abundant, clean source of energy than oil? That's exactly what Primus Green Energy hopes to do.

Virent Energy Systems has taken a major step in the certification process of its biofuel. Virent's much-like-gas biofuel successfully completed road tests organized and executed by Virent's collaborator, Shell. The tests found Virent's biofuel caused "no harm" to vehicles when compared to Shell's pump gas.

Researchers at Kettering University, along with officials from Swedish Biogas International and Flint, MI Mayor Dayne Walling have unveiled Flint's first biomethane-powered truck. Students and faculty members at Kettering set out on the ambitious project of converting a Chevrolet Silverado 2500 HD to run on a duel-fuel system supplied by Baytech. Corporation. The converted truck can automatically switch between good ol' gasoline and the renewable alternative fuel, biomethane.

There's ethanol, a gasoline substitute/blending fuel, and then there's biogasoline. This relatively unknown plant-based fuel is the subject of research at a few different labs, including one at North Carolina State University that uses the Cetina process. Another group working on something more like traditional gasoline from biosources is made up of Shell and Wisconsin's Virent Energy Systems. The partnership announced last week that they will form "a joint research and development effort to con

For the last two months, 50 fueling stations in the Toyko area have been marketing bio-gasoline, which is gasoline with some bio-ethyl tertiary butyl ether (bio-ETBE) blended in. Cost to the consumer and how the fuel can be used are the same as with standard gasoline, and the environmental upshot is a reduction of carbon dioxide emissions of three percent in vehicles that use bio-gasoline.