A Caffeinated Car?

BBC Science team builds an experimental car that runs on coffee.

March 12, 2010

LONDON - Scientists from the kid-oriented BBC1 show Bang Goes the Theory (similar to Discovery??s MythBusters series in the U.S.) have created a vehicle that runs on what most American??s "run" on every morning: coffee.

The Daily Mail (U.K.) reports that the Carpuccino, as the vehicle is affectionately called, needs a fill up of about 155 pounds of coffee, the equivalent of 11,760 espressos, to make a 210-mile trip from London to Manchester. The team developed the coffee-loving 1988 Volkswagen Scirocco to go on display at the Big Bang science fair in Manchester and to showcase unconventional fuels.

Nick Watson, producer of Bang Goes The Theory, told the news source: "Coffee, like wood or coal, has some carbon content so you can use it as a fuel. The coffee needs to be very dry and in pellets to allow the air to move through the pile of coffee as it burns. The brand doesn't matter."

He noted that the same gasification process could be used to power a car with woodchips, walnut shells, construction debris or agricultural waste or landfill.

The team must take a "coffee break" every 30 to 45 miles to refuel. And at every 60 miles, the team will need to change the coffee filters (seriously). In all, they expect the 210-mile trip to take about 10 hours at a top speed of 60 mph.

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