Engine oil color reveals its age, contamination level, and operating condition. Fresh oil is amber or light brown. Oil darkened to black but still translucent after a few thousand miles is normal.

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 ...

Formula 1 is entering a new era in 2026 because of its regulation overhaul, which is arguably the biggest in the championship ...

The Israel, U.S., Iran conflict has already caused flights to be rerouted and Pirelli to cancel tire testing. With President ...

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

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 ...

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

Formula 1's governing body, the FIA, has announced a resolution to the sport's regulatory row over engine compression ratios, with a tweak to the regulations set for June 1 and a further change in ...

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