Almost all gasoline engines, whether they're efficient-yet-less-refined four-cylinders, high-horsepower V6s, or growly and torque-rich V8s, use much the same process to create power. The "Otto cycle" ...

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 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 ...

Two-stroke engines have largely fallen out of fashion when it comes to newer vehicles. However, GM appears to have not forgotten about them completely.

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 ...

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 ...

The story of how Honda developed an oval-piston race engine that ultimately failed but still made history along the way. Honda pioneered oval piston technology in the 1970s for four-stroke racing ...

MAN PrimeServ – the after-sales brand of MAN Energy Solutions – will offer a retrofit package for the conversion of existing conventional MAN four-stroke engines to dual-fuel methanol operation ...

You've seen plenty of weird engines on Jalopnik, from Trojan's weird two-stroke, four-cylinder cube with wishbone-shaped connecting rods to the Napier Deltic triangle-18 diesel, but never have you ...