The bike that won the title of “world’s fastest production motorcycle” at the turn of the century could soon sport a bit of tech that will support hi-rev performance at lower emissions… but at what ...

It’s called Desmodromic Variable Timing (DVT – yeah, like deep vein thrombosis!) and it’s all very technical. Where it differs from variable valve timing, which is common in most cars, is that it ...

VTEC is an acronym for a variable valve-timing system used on Honda and Acura models since 1989. The full name is variable valve timing and lift electronic control, and the first U.S. model with VTEC ...

Variable-Valve Actuation (VVA) provides improvements in engine efficiency, emissions, and performance by changing the valve lift and timing as a function of engine operating conditions. Two-Step VVA ...

COVID-19 has been unkind to even the healthiest of businesses, but to already-troubled companies like the storied Harley-Davidson, the pandemic came as an unwelcome wildcard. With its dated lineup and ...

The automotive industry continues to be a hotbed of patent innovation. Activity in variable valve actuation system is driven by enhanced fuel economy, emissions control, improved performance, and ...