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 ...

A typical four-stroke (Otto) engine performs intake, compression, combustion and exhaust. Otto’s modern four-stroke engine ...

The Mazda CX-90 feels like a bona fide luxury SUV, but the company's current upmarket push isn't its first. At one time, Mazda was actually going to launch its own luxury sub-brand, and it would bring ...

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 ...

The X-Engine technology used in the XTS-210 is a direct drive rotary approach that can be viewed as an "inverted" Wankel engine. It has a trochoidal rotor with a three-lobed housing, but it utilizes a ...

Porsche has patented an innovative six-stroke engine that combines the benefits of a two-stroke engine's power with the durability and emissions cleanliness of a four-stroke engine. This design ...

Cost planning for newer engine types can be complicated by their lack of global fleet hours and reliability data. Credit: Laure Lemeille/AFI KLM E&M Life-cycle cost management of widebody engines may ...

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 ...