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, ...

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 ...

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 ...

To celebrate HOT ROD's 75th anniversary, we teamed up with CASTROL GTX to bring you some of the stories that exemplify the core of what HOT ROD is and reflect the brand's influence on America's car ...

Earlier this year, I wrote about the very first Continuously Variable Valve Duration, or CVVD, system from Hyundai. I claimed it to be the first production engine with the technology. As did Jason ...

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 ...

Variable primary chilled water systems can be a cost-effective alternative to standard primary/secondary systems and are becoming more commonplace for that reason. At the same time, these systems are ...

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 ...

Schaeffler Group has launched its variable hydraulic valve control, which will debut on a Fiat MultiAir engine for the Alfa Romeo MiTo range. The device, known as the UniAir system and developed with ...