Quote:
Originally Posted by cRiPpLe_rOoStEr
I won't really hold my breath for that. Just remember most of the emissions non-conformity observed on tests with Diesel vehicles in South Korea back in the Dieselgate days were related to harsh weather conditions (not the same as the deliberate fraud observed in Volkswagens and Audis).
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All engines coupled to drive a vehicle directly must provide variable power. They struggle to provide this variable power and thus fall into inefficient ranges both in thermal efficiencies as well as emissions. A single speed/load makes it so much easier.