Hyundai claims it has created the world's first Continuously Variable Valve Duration (CVVD) engine technology, which it says increases engine performance by 4 percent and efficiency by 5 percent. The ...

We talk a lot about quantum computation and quantum key distribution here at Ars, but when we do this, we're usually talking about a discrete logic system. That is, the quantum system uses a set of ...

A little while back, we took a look at a large cargo bike from Urban Arrow that had some interesting features: a drive train ...

Continuously variable transmission (CVT) systems represent a significant advancement in automotive and industrial powertrains by providing a seamless transition through an infinite number of gear ...

Variable valve timing is one of the key technologies in the further development of automotive engines. A variation of valve lift profiles and variable valve timing in the engine operation map offer ...

Set to debut in a new 1.6-liter 4-cylinder Smartstream turbo engine, Hyundai's new valve tech is able to continuously change the duration of valve openings to suit driving conditions, which Hyundai ...

Delta Optical Thin Film has utilised its decades of experience to develop the 4th generation Continuously Variable Short Wave Pass and Continuously Variable Long Wave Pass Filters. A continuously ...

The first continuously variable transmission fitted to an automobile actually has its roots in the late 19th century, though the technology has only become popular in the last two decades or so. While ...

CVT can be classified under automatic transmissions, however its functioning is different in terms of the mechanicals employed Shifting gears at the right RPM is surely no less than having the ...