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 auto industry’s prioritization of electric vehicles is already coming at the expense of internal combustion engines, even at car companies previously resistant to the shift. Behind the scenes, the ...

The 2035 ban on the sale of internal-combustion vehicles in Europe is still in effect, despite an exception made for e-fuels, a move pushed by Germany. Environmentalists would like to see the date for ...

Converting the ignition of a fuel-air mixture into usable mechanical energy lies at the core of a dizzying number of internal combustion engines developed over the course of more than century.

Several days into it, the ongoing auto show in Shanghai, China, continues to capture the attention of the automotive world. The time that has passed since the event opened its doors allowed us to go ...

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 ...

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 ...

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 ...

Omaha, Nebraska-based Werner Enterprises, one of the largest fleets in North America, signed a letter of intent to purchase 500 Cummins’ X15H hydrogen internal combustion engines, which are expected ...

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 ...

When we here in the modern age think of an “engine,” we are usually thinking of a four-stroke, four-cylinder, gasoline-fed, internal-combustion engine with the valves on the top. But why must that be ...