Hyundai's Continuously Variable Valve Duration (CVVD) is a breakthrough engine technology first used in the 2020 Sonata’s 1.6L turbo engine. Traditional engines use fixed valve timing, but modern ...

The naturally aspirated 6.2L V8 L87 gasoline engine is a staple of GM’s full-size SUV and truck lineup, but now, the L87 is facing heightened scrutiny in the wake of a new National Highway Traffic ...

Switching to a new power source can be a major step outside of a fleet’s comfort zone. But what if fleets could convert to renewable energy by retrofitting their existing assets today? Chicago-based ...

In America, the average mpg of a semi truck sits firmly in single-digit territory. Efficiency improvements mean that today's trucks now average around seven mpg, but some states still see trucks ...

BMW is warning some vehicle owners to park outside and away from structures until they get a free recall repair.

Nissan's innovative variable compression engines were a fascinating innovation when they were first revealed, but the jury is still out on whether or not the combustion technology will stick around. A ...

Using supersonic shockwaves for combustion, the groundbreaking design could allow aircraft to travel up to six times the ...