This has been invented many times.
My version first heated the air by extracting heat from the exhaust system, used a turbine to produce power, and finally cooled the air again before it went into the engine.
__________________
2016: 128.75L for 1875.00km => 6.87L/100km (34.3MPG US)
2017: 209.14L for 4244.00km => 4.93L/100km (47.7MPG US)
|