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Mount Vernon, WA | It's problematic even with a water cooled engine. My earlier point though applies to both current as well as prior non-emission engines. That is, if air cooled engines are so great from a fuel economy standpoint, why aren't they used in class 8 trucks?
Edit: I mis-understood your earlier statement. You are probably correct. An air cooled engine likely is much tougher to regulate emissions on, especially in cold climates/low loads. That may be another reason why they are not used in trucks.
Edited by Bern 7/2/2012 19:04
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Deutz Air Cooled Irrigation Engines ?
