Quote:
Originally posted by Noah930
The argument that I've heard against California (and 4 other NorthEast states that follow California's lead) allowing MB's Bluetec is that the Bluetec system uses a urea injection as part of its air-scrubbing technology. However, after several years (5-10), that urea canister (or whatever MB uses) runs out of urea. So, the government fears that that diesel MB owner 5-10 years from now will not be willing (financially) to replace said urea canister, thereby allowing the car to become a high-polluter.
Sounds ridiculous to me, as in 5-10 years when the OEM urea supply runs out, either the diesel car will pass emissions or not. If it does, does it matter if the urea canister is depleted? If not, then the owner has to replace the urea canister to make sure the car can get registered. How hard is that to figure out?
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The urea (AdBlue) is consumed at a rate of 3-5% of the fuel consumed. The urea canister holds enough to last a little more than you'd use between each oil change. So your shop will fill it back up when they do the 3-5K mile LOF service.