Automotive giant General Motors has filed patents for a two-stroke engine of the type whose excess emissions took it off the road decades ago as a technology seen as having no future.The patent is for ...

Mazda has developed a wide variety of engines and propulsion systems over the years. Famously, Mazda pioneered rotary technology, but the Japanese automaker has also developed rotary hybrids, fully ...

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 ...

MayMaan's first flagship engine, the Aquastroke 2.3 liter. In the quest to electrify everything, we run the risk of missing out on a potentially superior alternative for reducing emissions: an ...

Volvo Trucks has introduced a new generation of its I-Roll technology. The upgrades adds new engine stop/start functionality. Volvo said the technology is a world first in the heavy-duty truck ...

The 2026 Jeep Grand Cherokee introduces the latest chapter for one of America’s favorite SUVs, modernizing the Grand Cherokee lineup while maintaining its reputation for capability, refinement, and ...

The latest addition in Volvo’s striving for fuel savings is developed in-house at Volvo and is based on the company’s existing I-See and I-Roll technologies. The new stop/start engine feature is ...

The latest in fleet electrification covers Volvo stop/start engines, Harbinger EV funding, and a $50M program for commercial charging in New Jersey. Volvo Trucks’ stop/start engine in its Aero models ...