Mr. Diesel, creator of the diesel engine, DESIGNED it to run on peanut oil.

Here is an interesting thread on biodiesel at the Permaculture Institute of AU forum. These people are actually DOING it! "Running on Veggie Oil":
http://forums.permaculture.org.au/viewtopic.php?t=799

We had the warning of gas problems thirty years ago, and not much changed, except for making bigger, heavier vehicles with lousy gas mileage. Really, how fast do you think our government is going to move this time?

BTW, I read somewhere not long ago that our federal government now consists of over a million people. "Okay, guys! Everyone take one step to the right!" Talk about ponderous...

Sue