Compare Benz S600 to Lexus LS 460 L - Page 9 - Mercedes-Benz Forum

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post #81 of 82 (permalink) Old 04-14-2007, 11:26 AM Thread Starter
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Does that include the new range of CDI engines now available in the US, and soon Bluetec?
But not in all 50 states and more stringent Bin requirements are in the works:

Selling the E320 BLUETEC in California, New York, Vermont, Massachusetts and New Hampshire is a little more complex. These states require diesel cars to meet more stringent Bin 5 standards. Mercedes has a solution that involves injecting a mixture called AdBlue, which contains urea, into the exhaust. The system works; the US Environmental Protection Agency is currently trying to decide how automakers should design it to ensure that drivers fill it up as needed. (Consumption is small; a gallon of urea solution lasts about 2,400 miles.) Once the EPA makes up its mind, Mercedes-Benz will roll the E320 BLUETEC out to all 50 states.
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post #82 of 82 (permalink) Old 04-14-2007, 11:49 AM Thread Starter
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Does that include the new range of CDI engines now available in the US, and soon Bluetec?
The urea-based selective catalytic reduction systems, in which the injection of the AdBlue urea solution into the pre-cleaned exhaust gas releases ammonia (NH3), causing the nitrogen oxides to be converted into nitrogen (and water) in a downstream catalytic converter, is currently the most effective established aftertreatment technique for NOx reduction, and is looked to by many truck manufacturers as the solution for their commercial diesels.

So in the long run, what do you with the several catalytic systems when they need replacement? How much will they cost to replace? The diesel engine in the beginning was a very simple design when compared to a gas engine, however now they are breaking the KISS ("Keep It Simple, Stupid") rule.
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