madgenius (madgenius) wrote in madideas,

Diesel engines can run on straight vegetable oil, but the oil must first be heated to thin it. There are kits on the market to add a secondary fuel tank to hold vegetable oil in diesel cars. Each of those kits has a heat exchanger that uses the engine coolant to heat the oil. Once the veggie oil is warm enough, the driver can switch to the veggie oil tank.

For stationary diesel engines, like backup generators, what about using the sun to constantly heat the engine coolant, and thus the tank of veggie oil? The engine would always be "warmed up", and the veggie oil would be kept thin enough at all times to eliminate the need for diesel or biodiesel to start the engine.
Tags: engiines, solar, wvo
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