Numerous articles and stories have been prepared by hundreds of experts on how to improve the internal combustion (IC) engine for more speed, power or what have you. Millions of dollars worth of ...

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 ...

Honda engines have a reputation for smoothness and refinement. But these characteristics were never the goal; they are a natural byproduct of founder Soichiro Honda’s pursuit of engineering excellence ...

Over the past few years, truck and engine makers have generated a lot of buzz around developing zero-emission drivetrains to help meet climate and sustainability goals. Traditional OEMs and tech start ...

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 ...

You hear endless myths about the Mazda RX-7, from breathless praise of its “magic” to horror stories about blown apex seals.

As the automotive propulsion industry shifts toward electrification, the last-of-breed combustion engines are a stultifyingly similar bunch, focused around the same CAD-optimized 500cc cylinder ...

Hydrogen combustion engines are inefficient, costly to maintain and worse for the environment than fuel cell or battery powertrains. But they're also noisy and fun, so automakers are starting to pitch ...