How can old cars run on vegetable oil?



  1. 0 Votes

    Diesel cars can! In fact, the original diesel engines were designed to run on peanut oil. Today’s engines are designed with petro-diesel in mind and therefore require a fuel with similar physical properties. Vegetable oil will burn in a diesel engine but only if its viscosity (how thick a liquid is) can be brought down to a level similar to petro-diesel. To do this you can mix it with another fuel such as kerosene or petro-diesel, but you can also do it by heating it to about 160 °F. This option can allow you to run on pure vegetable oil, including waste vegetable oil.

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