The 'Intelligent Valve Actuation ( IVA)' system that operates the intake and exhaust valves that are arguably installed in gasoline and diesel engines with only the power of an electric motor is a ...

Jacobs Vehicle Systems, a manufacturer of heavy-duty diesel engine retarding systems and valve actuation mechanisms, has launched a new 2-Step Variable Valve Actuation (VVA) system. By enhancing ...

While the engineering community continues to explore the benefits of electric and hybrid vehicles—i.e., the environmental and renewable energy factors—the automotive market is still dependent on ...

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, ...

Prototype IVA engine swaps a usual longitudinal camshaft for short, individually driven camshafts sited across the top of the cylinder head. IVA cam drive is by ECU-controlled electro-mechanical ...

Mihai has even branched beyond the usual confines of an automotive writer from time to time, however, his heart is still close to anything car-related. He's most at home retelling the story of some ...

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 ...

Robert has been an auto enthusiast his entire life. He started working on cars at a young age, learning the basics from his father in the home garage on the weekends. Over the years, he learned as ...

General Motors has released a service bulletin for select units of the 2020 Chevy Colorado due to an issue with a solenoid that’s prone to failing. According to Special Coverage bulletin N232430470, ...