After Hours

Photos: Revving up on fast food

By · July 18, 2006, 8:39 AM PST · billdetwiler

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  • The Big Green Bus from Dartmouth College runs on vegetable oil from deep fat fryers.

    Michael Kanellos/CNET News.com

  • The engine of the Big Green Bus. To run on vegetable oil, the oil first has to be heated to 150 degrees Fahrenheit.

    Michael Kanellos/CNET News.com

  • Nascar has corporate sponsors, so why not a vegetable oil-burning bus? Lonely Planet is another sponsor.

    Michael Kanellos/CNET News.com

  • The engine first runs on standard diesel until the vegetable oil comes to temperature. This is the control panel that shuts off the diesel and monitors other vital signs.

    Michael Kanellos/CNET News.com

  • The back of the bus serves as a dorm. People also sleep outside.

    Michael Kanellos/CNET News.com

  • The requisite college reading material. The bus has a flat-screen TV too.

    Michael Kanellos/CNET News.com

  • Visitors tour the inside of the bus.

    Michael Kanellos/CNET News.com

  • Paul Renpen of Sacramento has converted his Mercedes diesel to run on vegetable oil. "I don't pay anything for it," he said.

    Michael Kanellos/CNET News.com

The Big Green Bus from Dartmouth College runs on vegetable oil from deep fat fryers.

Michael Kanellos/CNET News.com

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By Bill Detwiler

Bill Detwiler is Editor in Chief of TechRepublic and the host of Cracking Open, CNET and TechRepublic's popular online show. Prior to joining TechRepublic in 2000, Bill was an IT manager, database administrator, and desktop support specialist in the ...

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