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

Formula 1s regulations will allow some of the sports five power unit manufacturers to improve their engines during the 2026 season; Formula 1 returns with a Sprint weekend in Miami on May 1-3, live on

A slew of changes will be made to the Formula 1 2026 technical regulations to be implemented from the Miami Grand Prix next week, the FIA announced on Monday.

When push comes to shove, F1 can't truly experiment anymore because one of the championship's many vested interests will threaten to derail everything.

From Red Bull and Ford leaning towards a key decision over their first-ever power unit, with the ADUO upgrades set to be introduced earlier than planned, here are the main stories from today, April

Teams could cut the deficit to Mercedes via the FIA’s engine catch-up system, ‘Additional Development and Upgrade Opportunities'.

For Formula 1 teams that are down on power, the new ADUO process could be a lifeline: here's how the mid-season engine development exemption will work and what it takes for teams to qualify for it

Formula 1 teams have unanimously agreed to make refinements to the much-maligned 2026 regulations. Following a crucial virtual meeting involving governing body the FIA, team principals, chief executives of power unit manufacturers and Formula One Management on Monday 20 April,