Yes, I agree - from the above list:
Quote:
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* For new 4-cylinder internal combustion engine designs, the crankshaft could be split with a hydraulic coupling that can automatically disengage two cylinders completely; saving all the pumping and friction losses, for situations when 2 cylinders are enough to provide the required torque to move the vehicle. There are also cam-driven designs that about double the efficiency of the ICE.
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