Stellantis reported on Thursday a net loss of $26.3 billion (€22.3 billion) for 2025, attributing that to a $29.9 billion ...

Piston rings are the seals in your cylinders, giving you better compression and power, but what happens if they wear or break ...

The EPA announced the change by calling it the "elimination" of credits for an "almost universally hated" feature. But is start-stop truly hated, or misunderstood?

Could Toyota's hydrogen engine save combustion by converting engines? Toyota has developed a hydrogen combustion engine with nearly negligible harmful emissions. The project involved a Toyota Corolla ...

A fast-rising name in the hybrid vehicle market, Horse Powertrain has spent the past three years transitioning into one of ...

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 ...

Mazda has made it clear that combustion engines are still part of its plans, and Skyactiv-Z is the strongest proof yet. This new 2.5-liter four-cylinder follows Skyactiv-G and the less successful ...

If your car feels down on power, a trip to the garage might be in order, but checking these things before you go could save ...

Astron aerospace has shown a partial prototype of a new rotary combustion engine it claims runs at an extraordinary 60% thermal efficiency, burning totally clean with zero NOx emissions and nothing ...

The model was originally planned as a pure EV, but a new report says hybrid power is on the menu, too.