The idea is to use the exhausts to heat the incoming air. The air is then passed through a variable axial turbine that acts as the throttle plate. Then through an inter cooler.
The power produced could be used either for generating electricity, or geared down and sent to the crank.
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2016: 128.75L for 1875.00km => 6.87L/100km (34.3MPG US)
2017: 209.14L for 4244.00km => 4.93L/100km (47.7MPG US)