It feels like just five years ago, most people—including myself—suspected the world might never see a new gas engine for ...

This Atkinson gas engine is an illuminating gas engine and is one of the earlier known examples of gas engines and was used by the donor’s grandfather in the nineteenth century. It was procured by the ...

With naturally aspirated engines quickly dying out, finding one in a new vehicle is harder than ever. Here are the most ...

Mazda won itself a lot of fans over the years with the sharp styling and attention to detail of its engaging-to-drive vehicles. But in recent years its cars have been left behind by rivals when it ...

Honda has released the first details about their next-generation hybrid system. It combines all-new 1.5- and 2.0-liter direct-injection Atkinson cycle engines with a new front drive unit and an ...

The 2025 Toyota Highlander Hybrid features the brand's naturally aspirated Atkinson-cycle 2.5-liter four-cylinder engine producing 186 horsepower at 6,000 RPM and 175 pound-feet at 4,400 RPM in ...