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...
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