US start-up Hermeus has flown its first supersonic-capable aircraft, the Quarterhorse Mk 2.1, marking a significant step ...

While it won’t take the win out on the Nürburgring, the 2026 Toyota 4Runner TRD Pro instantly makes its case as an off-roading SUV.

The first real controversy of F1's new era. The engine rules set out a compression ratio of 16:1, a measurement of how tightly the pistons squeeze the mixture of fuel and air before it ignites. In ...

Some rival teams have suggested Mercedes found a way for components to behave differently when they heat up during use. To address that, the compression ratio will be controlled in both hot and cold c ...

Changes to compression ratio tests will be introduced in the summer after a lot of focus on Mercedes' new power unit over pre ...

LONDON — Formula One 's governing body has reached a compromise with manufacturers that changes the way the compression ratio ...

FIA announces updated 2026 regulations, including new engine testing after Mercedes PU scrutiny, plus a series of rule tweaks ahead of the season.

Formula One’s governing body has reached a compromise with manufacturers that changes the way the compression ratio will be ...

There’s growing optimism within McLaren and other Mercedes-powered teams that Petronas’ new fuel could provide a notable ...

The FIA have confirmed that new rules will be in place to prevent compression ratios going above 16:1 effectively closing a ...

In December, it emerged that Mercedes had found a possible loophole in the rules that could lead to a performance advantage.