The Environmental Protection Agency (EPA) on Thursday issued guidelines for the ADBlue urea SCR systems in the new generation of diesel engines that should pave the way for “clean diesel” vehicles to be sold in all 50 states.
Urea systems, automakers such as Mercedes-Benz have argued, have several advantages over other technology to reduce diesel emissions because they can be used to meet emission limits in all markets, and they cost about half as much ($880) as an NOx trap ($1400). The EPA has been concerned about what happens when AdBlue runs out, thus requiring a warning system which could disallow refueling vehicles with low AdBlue tanks.
While all automakers who want to sell diesel cars, trucks, and SUVs to boost fuel economy ratings will benefit, the ruling is especially a boon to DaimlerChrysler. Its Mercedes-Benz division has plans to market four clean-diesel models in the
“Mercedes-Benz welcomes and supports the EPA’s announcement on Selective Catalytic Reduction (SCR) guidelines, which represent a critical next step for the future acceptance of diesel vehicles in the
Benz C-Class Gets Diesel in Geneva by Marty Padgett (2/26/2007)
New BLUETEC needs no additives, Benz says.
Chrysler Gets Clean-Diesel Pickup by Marty Padgett (1/23/2007)
Grand Cherokee diesel priced from $38,475.