Engineers as well as people looking for alternative fuel options have been experimenting with the use of vegetable oil as a fuel for over a hundred years. The petroleum shortages in the 30’s and 40’s catalyzed the research of vegetable oil as fuel and again in the 70’s and 80’s. This research shortly ended when gas prices fell and there was a greater interest in using biodiesel as an alternative fuel where extensive vehicle changes were not necessary. Read the rest of this entry »