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Old 01-11-2013, 08:28 PM
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Quote:
Originally Posted by 66GMC View Post
It gets worse.
Even farm equipment (combines) have DPF's on them and have to use DEF.

I had a guy coming into the store and was buying DEF in 10-case lots every other day during harvest. The amount of fuel that a combine burns is horrific!

Apparently the major component to this stuff is urea, which is also found in fertilizer.

More info here:
DEF
I read somewhere that there are some unintended environmental hazards from the urea in the DEF. I cannot seem to find any information on it now but it wouldn't surprise me. I've hauled truckloads of urea fertilizer and it's kind of nasty stuff. You don't dare leave it in your truck overnight and the guys that load it have been burned (chemically) from contact with their bare skin and caution you to wash it off right away if you get it on you. It doesn't really seem like a good idea to vaporize the stuff and shoot it into the air we breath.
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