Diesel exhausts do cause cancer, says WHO

[Bewolf]

Originally Posted by ATAG_Bliss

My last energy bill was $14. Again you use more than I do.

And talking about the efficiency of a combustion engine has nothing to do with subject of how much energy is used between refined at the pump than recycled oil. Good try. Here's a hint. I build race cars. Just gonna go out on a limb and say you probably don't know 0.01% of what I know about a combustion engine or well anything really, about a car.

There's no pain to suck up. Once again you put your foot in your mouth from lack of knowledge.

Please, by all means, I am bowing to your expert knowledge. Enlighten me, what is the energy effiency of a regular combustion engine?