Quote:
Originally Posted by ron
ever wonder why they came up with urea usage in the first place.I wonder if it was to get rid of it,they do have too clean up the feed lots somehow. nah
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If I recall correctly, SCR (with urea) was used for emissions contol first on power plants. In order for the process to work ammonia is required and urea is the "best" way to make it available in a vehicle.
Selective catalytic reduction - Wikipedia, the free encyclopedia