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 internal combustion engine, for all its mechanical sophistication, still runs on a 19th-century mechanical idea: pistons ...

Camshafts are one of the most confusing components in an internal combustion engine. What makes those lumpy bumpsticks even more confounding is the sheer number of grinds available, and then multiply ...

The electric vehicle revolution gets all the headlines, and perhaps for good reason. What nobody mentions is that the global internal combustion engine market was valued at around $280 billion in 2024 ...

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 ...

Internal combustion might as well be wizardry to me. I have a basic idea of how engines work and I’ve been wrenching on them since I was a teenager, so I get the gist of it, but my feeble brain still ...

How hard could it to be to build a two-stroke internal combustion engine (ICE) from scratch? This is a challenge that [Camden Bowen] gladly set for himself, while foregoing such obvious wastes of time ...

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 ...

There’s no doubt the venerable internal combustion engine is under fire. A recent patent filing from Ford claims it can dramatically reduce emissions and, if true, the technology might give classic ...

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 ...