Desmodromic valvetrains allow for higher revs without needing to worry about valve float. So why do automakers not often use ...

Last month's "How It Works" story gave you the basics of the four-stroke cycle, describing the motion of the intake and exhaust valves in relation to the piston moving up and down in the cylinder.

This installment of Toyota's Engines 101 series takes a closer look at one of the most critical parts of an engine: its valvetrain. The video establishes what parts comprise a valvetrain, looks at ...

One way to improve diesel engine performance and to reduce emissions is improving power density and combustion cycle efficiency. It can be done by increasing combustion pressure and engine speed ...

TriPower is a General Motors engine technology that aims to deliver optimized operating modes for different engine speeds and loads. The principle behind TriPower technology is to make the most of the ...