Porsche was issued a patent for its six-stroke combustion engine on October 22, 2024. The company describes the new engine as having a "working cycle" of three complete crankshaft revolutions with two ...

Every new internal combustion car and truck sold in America today is equipped with a four-stroke engine, as are the vast majority of motorcycles. Today, if you hear the loud, ringing song of a ...

From the January/February 2025 issue of Car and Driver. A patent for a six-stroke engine would normally go directly into our crackpot-engine file, but when the patent filer is Porsche, we feel ...

When I went to school for engine repair in the 1980s, we studied the differences between two- and four-stroke engine cycles extensively. If you're not familiar with engine strokes, understanding the ...

Porsche has patented a revolutionary six-stroke internal combustion system. Contrast to all modern combustion engines that run the four-stroke Otto cycle that typically features one compression and ...

It's been a long time since the automotive world has bothered with the mixing of oil and gas of the two-stroke combustion cycle — but soon, it may come time to rid ourselves of four-stroke engines, if ...

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 ...

I can never resist a good oddball engine, and this one’s pedigree is impressive. See if you can bend your mind around it. Most of you reading this probably have at least a basic understanding of how ...

Porsche has patented a six-stroke engine aimed at revitalizing internal combustion engines. This innovative design introduces two extra phases to the conventional four-stroke cycle, enhancing ...

We've seen many engine configurations come and go, with some being more noteworthy than others and some being just outrageous. Honda attempted to modify the shapes of the pistons used in its engine, ...