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Rogerflat · Silver Status Member

You never saw the mythbusters on that? They put filtered used cooking oil in the engine and ran it. It got 30 mpg with cooking oil vs. 33 mpg with diesel. Not bad.

I heard something about somebody picking up used oil from a restaurant on a regular basis and running that in their car as their permanent fuel source.

I think smart cars would be great if everyone had them, not just a handful of people.

StevieLaner7777 · Moderator

billandbeaufort · Senior Member

Cadillac, the only other car a normal person might want would be a 4 wheel drive pick up truck. Smart cars are for girls and Volvos sounds to much like something a GYN would want to see!

cw · Banned

Speaking of cadalack or cattlewreck. Have you seen the
new planet warmer 300 and planet killer models? They are
part of the climate changer series. You don't have to worry
about appearing smart to anyone while out and about.

yourdaddyjoe · Supporting Member

I smell fries with that...

AirGunEric · Site Admin

You guys are behind the times on this "bio diesel" stuff- aren't you? Razz

People have been burning used french-fry oil for years. Main problem is filtering the crap out of it and trying to use it in cold weather (i.e. below freezing)- it's thicker than diesel proper and needs to have a heater in it's holding tank- and then you gotta hope it doesn't freeze in the lines on the way to the engine. Most people that run it in cooler climates have a dual-source fuel system, one with the used fry oil, the other with regular diesel. Why more people don't just mix the two together I don't know, perhaps regular diesel doesn't agree with extra filters in the fuel lines (?).