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 ...

You may have heard your car has a four-stroke engine, but you're not sure what that means. Why are there four? And what is a stroke, anyway? A modern gas engine most commonly uses pistons and a ...

Mazda’s implementation of the Miller-cycle engine in their production vehicles, starting with the 1995 Xedos 9, marked a significant shift in automotive powertrain design. The unique 2.25-litre V6 ...

It's important to keep in mind that the combustion process occurs in a very brief period of time. Due to a variety of conditions that include mixture density, homogeneity, temperature, fuel ...

Engine power is a product of its overall displacement, but two similarly-sized engines with different bore and stroke characteristics don't perform the same.

Variable cycle engine design embodies a transformative approach in aero‐propulsion, enabling engines to adapt their thermodynamic cycle to meet diverse operational demands, from fuel efficiency to ...