Driving on Biodiesel - 3

Volume 1 Issue 1 - Diesel Articles

Article Index
Driving on Biodiesel
What is Biodiesel?
Biodiesel Versus Raw Vegetable Oil
Benefits of Using Biodiesel
Availability of Biodiesel
All Pages

Biodiesel Versus Raw Vegetable Oil

All biodiesel sources contain fat in some form. However, it is not the same thing as raw vegetable oil. The use of raw, unprocessed vegetable oils or animal fats in diesel engines can have significant adverse effects and should not be used in diesel engines. For example, the higher viscosity and chemical composition of unprocessed oils and fats have been shown to cause problems in a number of areas such as:

  • Piston ring sticking;
  • Injector, combustion chamber and fuel system deposits;
  • Reduced power and fuel economy; and,
  • Increased exhaust emissions.

Any or all of these conditions may result in reduced engine life, increased maintenance costs, or catastrophic engine failure. Because these problems are attributable to the fuel and are not defects in parts or workmanship, repairs would not likely be covered by the manufacturers’ warranty.


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