A tweaked piston crown is all it would take for Mitsubishi to reduce emissions and improve power in direct-injected cars.

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.

Reports of the death of the internal combustion engine have been exaggerated. Electric vehicles were once poised to diminish the ubiquity of traditional engines, but automakers are booking huge losses ...

These are the engines getting booted from lineups around the globe, some of which take entire vehicles with them.

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 ...

Electric cars are gradually beginning to surpass cars with internal combustion engines not only in terms of dynamics, but ...

The FIA's ADUO assessment grants Mercedes one extra upgrade token while Ferrari, Audi, and Honda receive two each.

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 ...