A former tech editor for CAR magazine, Ian knows what's what in the oily – and electric – bits of a car.

Internal-combustion engines are now all about the trade-off between power and efficiency. Until now, the tools to address that trade-off have been variable valve timing and variable valve lift, which ...

Camcon Automotive, a company in England, has developed a system called Intelligent Valve Actuation, or IVA. This technology may replace conventional internal combustion engine valvetrains as we know ...

Hyundai Motor Group has announced the development of the world’s first Continuously Variable Valve Duration (CVVD) technology which will feature in future Hyundai and Kia vehicles. The innovation was ...

CVVD optimises both engine performance and fuel efficiency while also being eco-friendly. The valve control technology regulates the duration of valve opening and closing according to driving ...

Variable valve timing (VVT) and variable valve lift (VVL) have very similar names, both referring to variable valve performance. Does that mean that they are basically the same thing? The are most ...

Nissan Motor has introduced a new engine technology claimed to delivers a balance of responsiveness and power, fuel efficiency and low emissions. The new system combines the technologies behind the ...

NECKARSULM, Germany -- Kolbenschmidt Pierburg AG has agreed to market a variable valve control system developed by enTec Consulting GmbH of Hemer, Germany, to help automakers reduce fuel consumption ...