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 ...

Peugeot buries the troubled PureTech with a new Turbo 100 engine, a 70% redesigned 1.2L unit built for reliability as EVs struggle to dominate.

Nissan brought the first, and only, variable-compression engine to market. But its future doesn't look bright. Complexity in cars is a funny thing. It’s tempting to say that it’s all bad, that more is ...

With the rise of stricter emission laws, engine manufacturers have no choice but to look into alternate energy sources to run their vehicles. Cummins is reinventing the combustion engine but this time ...

Ducati has announced it will introduce new engine technology that will boost power and torque, improve fuel economy, reduce emissions and won’t affect servicing intervals. Ducati Testastretta engine ...

A better mousetrap? Even now, as electrification seems poised to end the internal combustion engine’s long run as the transportation motivator of choice, enterprising tinkerers continue to propose ...

Forbes contributors publish independent expert analyses and insights. I am a professor at Cal State LA and the technical director for the Hydrogen Research and Fueling Facility. We go for better ...

Intake, compression, power, then exhaust. Every 4-stroke engine ever made – about 80% of all engines currently in existence – function on this principle – even rotary engines. But now, Porsche has ...

NOTE: With this issue of HOT ROD, your Shop Series begins a slightly different and more comprehensive approach to the discussion of engine and vehicle basics. In the coming months, you'll find a frank ...

Carbon emission-free engines that burn hydrogen increasingly look like a viable technology for vehicles that range from race cars to cement mixers. The motorsport department at Austrian automotive ...

But with 100 horsepower, it won't set your pulse racing.