[QUOTE=Cutty72;453898]It's urea, and it started on the 2011 models for Ford and Chevy/GMC. Dodge will get by through the '12 model year, and then have to revamp emissions to meet the new stricter regs.
It doesn't actually get added to the fuel either. It has it's own seperate tank, and is injected into the exhaust stream after the cat to clean up some of the pollutants.
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yeah and they were soooo discrete about where they hung the tank. on the chevy anyway it is right under the passenger door. dealer said it needs a gal per 1000 miles of that stuff. course they didn't know where to get it or how much it would cost.
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