Cadillac is shifting gears once again, proving that the internal combustion engine isn’t dead just yet. The brand confirmed it will retire the current CT4 and CT5 sedans next year, but not without a ...

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 ...

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 ...

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 ...

As the United States marks its 250th anniversary, WTOP presents “250 Years of America,” a multipart series examining the innovations, breakthroughs and pivotal moments that have shaped the nation ...

Effective management of the ratio between air and fuel in internal combustion engines underpins both performance optimisation and emissions reduction. The air–fuel ratio (AFR) determines combustion ...

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.

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 ...

With all the recent emphasis on electric vehicles, we often overlook the technology that still powers most cars on the road today. The internal combustion engine (ICE) has been at the heart of the ...