A detailed 2.0 litre V6 gasoline engine design has now been completed which is intended to deliver levels of performance and driveability more usually associated with 3-4 litre V8.

Wärtsilä has announced the results of extensive testing of its 4-stroke ammonia engine, which demonstrated a reduction in greenhouse gas (GHG) emissions by up to 90% compared to traditional ...

Mixing gasoline and oil for a two-stroke engine. Ilya / Adobe Stock. Perhaps the biggest trade-off when comparing 2 stroke vs 4 stroke outboards is that four strokes might be more durable, but two ...

A: Oil is added to 2-stroke fuel for applications such as dirt bikes because the fuel doubles as a lubricant for the engine. A 4-stroke engine can burn that fuel, but it can cause issues.

Finnish engine manufacturer Wärtsilä must be a fascinating place to visit. The company manufactures some of the most mind-bendingly enormous marine diesel engines in the world, like the record ...

An old, rusty 1.5 inch gasoline water pump equipped with a 4-stroke Rato engine undergoes a comprehensive restoration to bring it back to operational condition. Years of exposure have caused rust ...

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 drive an early 2-stroke Saab ...

Oil for 2-stroke engines is more expensive, and since they don't use fuel as efficiently as a 4-stroke engine, you'll get fewer miles per gallon out of one.

Classic 4-stroke A normal four-stroke gasoline combustion engine found in every car now works in four steps: intake (piston goes down sucking the air-fuel mixture in), compression (piston goes up ...