Variable valve timing and variable valve lift may sound similar, but they're entirely different. Here are the differences between them and how they work.

Brian Cooley is CNET's Editor at large and has been with the brand since 1995. He currently focuses on electrification of vehicles but also follows the big trends in smart home, digital healthcare, 5G ...

Dublin, July 16, 2025 (GLOBE NEWSWIRE) -- The "Automotive Variable Intake Air Control Valves - Global Strategic Business Report" has been added to ResearchAndMarkets.com's offering. The global market ...

Valve train improvements are an important part of the continued efficiency advancements of internal combustion engines. Today's electronics allow more precise control and different approaches to valve ...

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 ...

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 ...

March 30, 2007 Over the last century of automobile development, we have seen an enormous range of valve actuation technologies, ranging from pushrod, through single then double overhead camshafts, ...

Learning the basics can ease loop tuning frustration and ensure stability. During plant operations, it seems that tuning control loops is an ongoing task, which can be a continual frustration to ...

In order to set a stage for what follows, let's first revisit some of the fundamentals involved in how valve timing relates to power output. And to further clarify how "power" is defined in the ...

Variable speed drives are transforming modern irrigation by shifting control from valves to pump speed. Instead of running motors at full capacity and throttling flow, the drives adjust motor speed to ...