The supercharged 4.2-liter V8 under the XKR’s hood features twin air intakes and continuously variable valve timing—mated to what Jag claims is a “class-leading” six-speed automatic paddle-shift ...

Cars are Andrew's jam, as is strawberry. After spending years as a regular ol' car fanatic, he started working his way through the echelons of the automotive industry, starting out as social-media ...

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 ...

Hyundai figured out continuously variable valve duration in a production vehicle (or at least one about to hit production). increase in performance of 4 percent with 5 percent better efficiency, along ...

As most carmakers in the industry are trying to improve fuel consumption and emission levels by turning electric, there are a few left still striving to better the good-old combustion engine. From ...

The 2020 Hyundai Sonata enjoys the distinction of debuting the world’s first Continuously Variable Valve Duration (CVVD) technology engine in a U.S. production model. Design News had the opportunity ...

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 ...

Toyota has announced that it's developed a new variable valve lift;system,. Dubbed Valvematic,;it combines the automaker's existing VVT-i variable valve timing setup;with a mechanism that constantly ...

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 ...

Alanson Partridge Brush. Remember that name. Because it was according to his patents that Cadillac put into production something that Honda and Alfa Romeo took decades to match. Mr. Brush's invention?