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Collage Biodiesel Not only can you fill your tank with biodiesel, a new advance could let you fill your vehicle’s cooling system with a biomass-derived antifreeze. A new process has been developed at the University of Missouri-Columbia for converting glycerin, a byproduct of the biodiesel production process, into propylene glycol, which can be used as nontoxic antifreeze for automobiles. [via] Link.

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