The story

A summer with budget-busting gasoline prices seems like the worst time to launch a cross-country road trip from California to Georgia, but this one is different: We're road-testing alternative fuel that might help reduce pollution and break the nation's reliance on foreign oil.

The gasoline alternative is called biodiesel, and it's made by chemically modifying vegetable oil. The resulting biodiesel is nontoxic, biodegradable and can be blended at any level with regular diesel.

Most diesel cars can run on it, and it can be found in more and more places around the country. Watch Web developer Brian Hardy and I make a two-week journey from California's San Francisco Bay area to Atlanta, Georgia, on CNN.com Live. Read full article »

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