Formula 1 cars have some excellent thermal efficiency, with even the best mainstream cars just scraping under their potential ...

A modern Formula 1 power unit squeezes more useful work from a liter of fuel than any production car on the planet.

‘It’s a big difference’ — Collins questions whether the FIA test reflects real engine heat.

LONDON (AP) — Formula One ’s governing body has reached a compromise with manufacturers that changes the way the compression ratio will be measured midway through this season and in the 2027 season.

Formula 1 teams are testing in Bahrain this week, but a storm is brewing in the background that might turn the season on its head. A rule change could be introduced to rein in the Mercedes power units ...

Engine tricks and energy harvesting: how F1 teams can exploit new rules to win in 2026 McLaren driver Oscar Piastri of Australia gets pushed back into his garage on the third day of Formula One ...

SAKHIR, Bahrain — Formula 1 president and CEO Stefano Domenicali has warned against “panicking” about the new cars introduced for 2026, but said the sport will take action if rule tweaks are required.

LONDON (AP) — Formula One ’s governing body has reached a compromise with manufacturers that changes the way the compression ratio will be measured midway through this season and in the 2027 season.