Joe - bubble officially not burst - <G> Don't worry, I run into a lot of this Yes, there is petrol-diesel mixed into some biodiesel, and these are called blends. It's actually not uncommon, and is what I typically burn when the temperature is low. Typically biodiesel grades are designated by a "B" followed by a number such as B100, which is 100% biodiesel, or B20, which is a 20% bio 80% petrol blend. Even burning petrol diesel though, a diesel engine is twice as efficient as a gas one per cubic inch. As for TDI, it stands for Turbo Direct Injection. If you drive a hybrid it's the badge you see on the backs of VW's as they drive by *grin* Several auto manufacturers use Turbo Direct Injection diesel engines, including VW, Audi (same thing), and Jeep. Joseph Garrett wrote: > > I sure do pass a lot of hybrids on the highway in my TDI. I can still > get 50 MPG, and burning biodiesel I burn no fossil fuel, ..,... > > I hate to burst your bubble, but Bio-Diesel has Diesel mixed into it. > So....you are burning "fossil fuel", just less. BTW, what the heck is > a "TDI"? > Regards, > Joseph Garrett, R.P.T. > Captain, Tool Police > Squares R I >
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