Automakers once bet big on bizarre ideas—from swirling airflows to variable compression—and the results were as fascinating as they were short-lived. Automotive engineers have invested countless ...

Ferrari is exploring a groundbreaking approach to the internal combustion engine, as revealed by a recent European patent filing. Departing from the industry-standard round pistons, this new design ...

Some agree that batteries are the clear winner in the race against hydrogen technologies, while others think the opposite. There's no such debate among internal combustion engine proponents. Almost ...

The rotary engine was an unconventional design that delivered great power for its size. Here's what's good and bad about it.

The H12 is supposedly a variant of the HR12, a 1.2-liter, three-cylinder turbocharged engine, which was fitted with a new combustion system with a 17:1 compression ratio, a new exhaust gas ...

For more than 100 years, the internal combustion engine (ICE) has been the mechanism of choice for vehicles of all shapes and sizes. Across all configurations, the principle is the same: a mix of fuel ...

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 hydrogen combustion engine (H2-ICE) market is forecast to climb from USD 1.7 billion in 2026 to USD 20.8 billion by 2036, registering a rapid 28.5% CAGR. This inflection reflects a change in how ...

Mercedes-Benz has been granted a patent for an internal combustion engine that includes a crankshaft, camshaft, cylinder, piston, gas exchange valve, valve clearance compensation device, and a control ...

Sports cars with V-10 and V-12 engines are in high demand. Walk into a Lamborghini dealership and brace yourself for the bad news. The wait time for the new Huracan STO supercar, a track weapon with a ...