A commenter on Ben’s wood-powered truck post pointed us to a similar car hack. The truck above is also powered by a wood gas generator, except this one runs on coffee grounds. The Cafe Racer is a 1975 GMC pickup that essentially burns up used coffee to create a combustible gas. The gas is filtered on its way to the engine and, Viola, a caffeine-powered truck. It’s interesting to note that this and the last vehicle mentioned are promoting a specific fuel (wood and coffee grounds), since the onboard wood gas generators can gasify almost any type of combustible material.
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