It says right here, engine torque in newton-meters. There's your unit right there. It's staring me right in the face. I know for a fact that it does not take 124N/m to keep my car cruising on the highway at 55mph. Maybe YOU have no clue how much is required. Even without specifics, cruising on flat land is done on the lower half, if not the lower third or quarter of the BSFC map. While cruising on flat roads you will not hit an engine efficiency peak at ANY RPM, with or without a turbo!
Now, can you read the map well enough that you can tell me why P&G is more efficient than holding a steady speed, or are you going to continue arguing out of ignorance?
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