Perfectly tuning the heat range of an engine's spark plugs is something of a dark art to all but the most well versed tuners and the engineering egg heads at automotive OEMs. Getting the spark plug ...

View post: The 2026 Chevrolet Equinox Has Many Trims, but Only One Is the Smart Buy A report from CarNewsChina says Changan, via its Harbin Dongan Auto Engine subsidiary, has completed the first ...

After years of rumors and experimentation behind closed doors, the Mazda rotary engine is officially back. The Vision X-Coupe, a plug-in hybrid concept showcased at the 2025 Japan Mobility Show, has ...

Forbes contributors publish independent expert analyses and insights. Peter Lyon is based in Tokyo and writes about the car industry. At the Japan Mobility Show two years ago, Mazda unveiled a ...

In this fascinating video, we journey through the intricate process of building a rotary valve engine from scratch. Watch as we delve into the mechanics and craftsmanship involved, showcasing each ...

Variable Valve Timing isn’t a new concept in motorcycle engines. The likes of BMW and Yamaha have been using this setup in their motorcycles for a while now. Even Suzuki itself implemented it on the ...

That alone reduces emissions and increases engine longevity. The rotary valve also means that the blockages caused by conventional poppet valves are not an issue as poppet valves are not needed in ...

The Wankel rotary engine offers one of the most unique sounds of any ICE. Most famously used in various legendary Mazdas like the RX-7 and the supposedly banned Le ...

It is quite ironic that internal combustion engines (ICEs) have remained basically the same for more than one hundred years. It is only now – when they are allegedly on the verge of disappearing – ...

Chris Bruce has worked in the automotive industry since 2011 and has written thousands of stories about cars, motorsports, and motorcycles in that time. He has written for Autoblog, Autoviva, CarFax, ...

Dane Enerio is a news writer from the Philippines. He started out in 2018 as a newspaper reporter that covered the government. Dane then moved on to online publications like Game Rant, where he always ...