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 ...

With the rise of stricter emission laws, engine manufacturers have no choice but to look into alternate energy sources to run their vehicles. Cummins is reinventing the combustion engine but this time ...

There was a time, not long ago, when we all believed there would soon be a moment when internal combustion engines would be completely replaced by electric drives of one nature or another. In the ...

Small, ultra-fast, primary and “afterburner” secondary combustion events promise to deliver brake thermal efficiency as high as 69 percent. A better mousetrap? Even now, as electrification seems ...

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 ...

Good morning! It's Friday, December 12, 2025, and this is The Morning Shift, your daily roundup of the top automotive headlines from around the world, in one place. This is where you'll find the most ...

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 ...

Internal combustion engines are literally the engines of the modern world. Without the invention of these genius mechanical creations, our world would be markedly different and the pace of life would ...

The global imperative to reduce greenhouse gas emissions and improve air quality has driven extensive research into alternative fuels for internal combustion engines. These fuels encompass bio-derived ...

Combustion efficiency in internal combustion engines refers to the proportion of chemical energy in the fuel that is converted into useful mechanical work. Attaining high combustion efficiency is ...

Analysts expect the fallout from the Iran war to spur demand for EVs, although a shift away from traditional internal combustion engine vehicles is expected to be gradual. Various car selling ...