Finnish manufacturer Wärtsilä introduced an engine back in 2015 that was so good, it snagged a Guinness World Records title for being the most efficient four-stroke diesel engine shortly after its ...
Intake, compression, power, then exhaust. Every 4-stroke engine ever made – about 80% of all engines currently in existence – function on this principle – even rotary engines. But now, Porsche has ...
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