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Old 01-11-2017, 05:12 AM   #4 (permalink)
jakobnev's Avatar
Join Date: Oct 2010
Location: sweden
Posts: 1,063

Princess - '92 Mazda MX-3 GS
House of Tudor
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90 day: 40.6 mpg (US)
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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:_.84.75L for 1463.00km => 5.79L/100km (40.60MPG US)
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