Quote:
Originally Posted by Christ
yeah, driving on veggie oil sure does have more of an impact on the environment... burning it in engines releases glyceride compounds into the air, which are poisonous to the people breathing them in. sure, it's carbon neutral, but that doesn't change the fact that it has negative effects on the environment.
In case anyone thinks that glycerine gets burned in the engine, look up the combustion temperature for Glycerine... it's about 1,800*F, or ~1,000*C, and needs to be sustained there. Guess what temps your engine doesn't reach and sustain?
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acroline is the only toxic I can think of and that is only if your motor isn't getting enough air and running cold, the others are considered particulate and more benign than breathing Dino diesel particulates.
Glycerin burning technology from AlterHeat
Anyway diesels do internally get very very hot along the flamefront but for brief periods of time (although longer than a gasser) I cannot think of anytime a diesel is sitting under 300c in the chamber during burn except during warmup
Also acroline lein whatever is produced by burning wood, it can also be found in small quanitites in normal diesel exhaust during warmup, alcohol blends of gasoline and many other combustables when the temperature isn't high enough.
So I am uncertain if it is any more dangerous than anything else and it biodegrades in water.
Just don't sit by the tailpipe and you should be OK as the stuff tends to break down.