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 ...

The short answer is yes: innovative internal combustion engines, especially in combination with batteries, can and will play a crucial role in decarbonizing aviation for small aircraft, urban air ...

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 ...

Reports of the death of the internal combustion engine have been greatly exaggerated. In the wake of stalled consumer demand and stubbornly high costs, automakers around the world are furiously ...

Suzuki poured $110 M into a clean-sheet engine program, then effectively walked away from it after barely a year in showrooms ...

For a time, the Wankel rotary engine seemed like the future. In 1963, German automaker NSU—later absorbed into Audi—debuted the Wankel Spider, the first internal-combustion production car not powered ...

Japanese automakers Toyota, Subaru, and Mazda convened today to announce their collaborative efforts in preserving internal combustion engines by developing a new generation of clean and efficient ...

Jaguar is now shifting focus to its 2026 Electric GT, a vehicle targeted to be the most powerful road car in the company’s ...

No matter whether you run car, motorcycle, boat, or airplane, one common fact binding all these vehicles is that their engines all need oil. An internal combustion engine running at speed is a violent ...

We may receive a commission on purchases made from links. Diesel engines, like all internal combustion engine types, require a mixture of fuel and air to flow through the intake system to operate.