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redpoint5 · 05-24-2022, 02:56 PM

Combustion efficiency is only one of many factors in overall engine efficiency. It's also one of the more efficient aspects of modern engines, meaning even if we could achieve 100% combustion efficiency, overall engine efficiency would not drastically improve.

As I pointed out, gasoline engines could easily be made high compression like a diesel engine and gain efficiency, but that causes unacceptable increases in certain pollutants.

05-24-2022, 02:56 PM	#74 (permalink)
redpoint5 Human Environmentalist Join Date: Aug 2010 Location: Oregon Posts: 12,754 Acura TSX - '06 Acura TSX 90 day: 24.19 mpg (US) Lafawnda - CBR600 - '01 Honda CBR600 F4i 90 day: 47.32 mpg (US) Big Yeller - Dodge/Cummins - '98 Dodge Ram 2500 base 90 day: 21.82 mpg (US) Chevy ZR-2 - '03 Chevrolet S10 ZR2 90 day: 17.14 mpg (US) Model Y - '24 Tesla Y LR AWD Pacifica Hybrid - '21 Chrysler Pacifica Hybrid 90 day: 57.45 mpg (US) Thanks: 4,316 Thanked 4,472 Times in 3,437 Posts	Combustion efficiency is only one of many factors in overall engine efficiency. It's also one of the more efficient aspects of modern engines, meaning even if we could achieve 100% combustion efficiency, overall engine efficiency would not drastically improve. As I pointed out, gasoline engines could easily be made high compression like a diesel engine and gain efficiency, but that causes unacceptable increases in certain pollutants. __________________ Gas and Electric Vehicle Cost of Ownership Calculator Give me absolute safety, or give me death! Last edited by redpoint5; 05-24-2022 at 03:08 PM..