FIA Forced to Change F1 2026 Rule Twice as New 'Loophole' Surfaces
The FIA have been forced to change one of their new 2026 regulations for a second time ahead of the new season - and it could have an impact on teams.
A raft of regulation changes, largely targeting aerodynamics and power units, will be put in place from the 2026 season onwards.
The regulations are intended to promote closer racing between drivers and more overtaking opportunities, as well as making the cars themselves more challenging to handle.
Audi and Ford will join the sport as power unit manufacturers, with Audi entering as a factory team after taking over Sauber and Ford joining up with Red Bull.
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Honda will also make a full return to the sport following the conclusion of their Red Bull partnership, and are supplying engines to Aston Martin.
Several regulations have already had to be tweaked by the FIA, though several of the changes are related to interpretations rather than fundamental design adjustments.
The FIA had to close a loophole related to the new singular fuel-flow meter, which has a fuel energy flow limit of 3000MJ/h.
Data provided by the meter can be delivered to both the teams and the FIA, who check for any compliance breaches.
The FIA has been forced to ban teams from changing the temperature of the meter, which would make fuel flow data harder to read.
A new line in the Formula 1 Sporting Regulations, following the latest FIA Motor Sport Council meeting earlier in December, reads: "Any device, system or procedure, the purpose of which is to change the temperature of the fuel-flow meter, is forbidden."
What F1 teams may now look to do is to take advantage of this new wording and find ways that they can legally comply with the regulations.
Such innovations are common at the start of any new regulation change cycle, with the double diffuser controversy of 2009 being brought about by a regulatory loophole which was later closed by the FIA.
But the FIA have already issued a strong warning against teams looking to exploit any loopholes, with the governing body's single seater car director Nikolas Tombazis stating earlier this month: "We made it clear to the teams that we will not tolerate anyone exploting loopholes in the regulations that they have kept hidden from us."
Ryan Smart