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Subscribe to this threadMore info on GM's diesel plans in the U.S.
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Dave @ Jul 13th 2007 11:50AM
GM is still going forward with diesel R&D.
Lutz is simply answering a question from someone who seems to believe that diesels will solve all of GMs CAFE problems.
Lutz tries to make it clear that diesels arent the only game in town. And their efficiency is handicapped by emmissions regulations.
Bottom line - GM is pursuing diesel engines of all sizes, dual mode hybrids (started with Allison buses and proceeding to large trucks and SUVs), series hybrids (Volt), homogeneous stratifed charge engines, and hydrogen technology.
In the long run, diesel is not the answer because:
1. It relies on either oil from the mideast or biodiesel which cannot be produced in sufficient quantity without depleting valuable farmland.
2. Emmissions will never be as clean as hydrogen/electric fueled from nukes and/or the sun and other renewables.