GM says 4.5 liter diesel engine will be quiet and clean
One of the biggest controversies around diesel engines is the amount of nitrogen, or NOx they release. Hence why Bob Lutz, in his latest video on GM’s FastLane blog emphasized the fact that diesels are not the “home-free” solution for a fuel-efficient vehicle.
However, the 4.5-liter turbocharged diesel engine that GM plans to introduce in 2010 in light-duty pickups will have breakthrough technology in emissions and noise reduction, says the engine’s assistant chief engineer, Jim Minneker.
He said that the engine will use a urea injection system to control the amount of oxides of nitrogen. Minneker told Automotive News that the new engine will have advanced technology that minimizes the production of NOx in the engines cylinder.
The engine is not a part of GM’s BLUETEC alliance with BMW, Volkswagen, Audi and Mercedes.
GM confirmed last week that it will be offering diesel engines in its Cadillac and Saturn lineup by 2010. GM has two diesel engines in the works, including a 4.5 liter V8 due in 2010 for pickups, crossovers and SUVs and a 2.9 liter V6 that in the 2009 Cadillac CTS also due in 2010.
Source: Automotive News (Subscription Required)
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