Photos: Revving up on fast food - TechRepublic

Photos: Revving up on fast food

  • Big Green Bus

    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.

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

  • 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.

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

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

  • Visitors tour the inside of the bus.

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

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Bill Detwiler is the Editor for Technical Content and Ecosystem at Celonis. He is the former Editor in Chief of TechRepublic and previous host of TechRepublic's Dynamic Developer podcast and Cracking Open, CNET and TechRepublic's popular online show. Previously, Bill was an IT manager in the social research and energy industries. He has bachelor's and master's degrees from the University of Louisville, where he has also lectured on computer crime and crime prevention.