F1 manufacturers agree to engine testing rule change after compression ratio row

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

FIA Proposes New Engine Testing Rules for 2026 Amid Mercedes Power Unit Concerns

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

Redstone Arsenal says “louder than expected noise levels” not caused by rocket engine testing

HUNTSVILLE, Ala. (WAFF) - Redstone Arsenal officials announced on Tuesday that the “louder than expected noise levels” heard on Monday evening were not the result of rocket engine testing. WAFF 48 ...
The New York Times

Is Red Bull fastest, or is everyone bluffing? F1’s preseason smoke and mirrors are underway

Several F1 drivers took part in a practice start for the new 2026 cars late on day three of preseason testing in Bahrain on Friday. Mark Sutton / Formula 1 / Getty Images SAKHIR, Bahrain — “One second ...