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Originally Posted by lulu belle  One big advantage diesel engines have that is not being looked at enough, I really don't know how it may factor for price ranges though, but diesel engines have the ability to run on BIOdeisel with little to no modifications to them. |
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Originally Posted by bcp have to be careful what you put in them when it comes to Bio. in many cases you still have to have regular diesel on board to run when you first start and prior to shutting down, that bio diesel can clog the injector rails, and then you are in for an expensive repair. |
Bio Diesel is normally something like 85% regular diesel and 15% vegetable oil (soy, canola, corn). No problems running it in a newer diesel, in some older diesels (pre 1994) you might have to switch from rubber to synthetic fuel lines and seals. Another slight problem is it cleans your fuel system (crap that builds up in the lines etc.) so you might have to change your fuel filter sooner. All that said, running your diesel on WVO (waste vegetable oil) is something all together different. You go to Mickey D's and get their used french fry oil, filter and treat it and then run your diesel for free, yea right........ the 2 tank conversion kit and all the work required to switch your vehicle over to run on it would have taken me something like 3 years of "free" fuel to break even. You still have to start using regular diesel, then switch over to WVO, which also has to be heated so it flows properly. If anyone’s interested in this technology, I've got a couple of diesels for sale.