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 ...

Generally, combustion engines follow a standard principle of operation founded on the premise that the crankshaft spins clockwise (as seen from the driver’s seat). That’s how the powerplants are ...

Porsche patented a 6-stroke engine Outside of early Saabs, most gas-powered car engines are a 4-stroke Porsche's 6-stroke patent seems to indicate it could eke more power out of an engine Unless you ...

While there have been some iconic big-block engines over the last few decades, it's difficult to argue with the success of the small-block engine. Small-block engines not only weigh less — allowing ...

Wärtsilä’s 4-stroke engine-based solution for ammonia fuel now delivers higher than ever levels of efficiency and performance. Following its introduction to the commercial marine sector in November ...

Detroit Diesel doubled down on engine designs that struggled to keep up with regulations, and it was eventually acquired by ...