As if going around and collecting used french fry oil to process into biodiesel for your old Mercedes isn't enough. If you really want to make an effort to be kind to the environment, there's now some folks who are interested in turning liposuction fat into biodiesel. Whaddya say, take some of the spare tire around your waist and put it in the tank? Also on AutoblogGreen yesterday, how Wal-Mart might start putting biodiesel into its shipping trucks and the quiet reduction of GM's SUV production.

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