02/06/2026
Lewis Hamilton's F1 Fuel Gamble That Changed Formula 1 Rules
One qualifying lap was so extreme that Formula 1 eventually changed the rulebook.
At the 2010 Canadian Grand Prix, Lewis Hamilton delivered a stunning pole position for McLaren at Circuit Gilles Villeneuve.
But there was a problem.
The MP4-25 was running so close to the limit that Hamilton had to stop after the session and push the car himself. The fuel calculation extracted maximum performance, but left too little fuel available for FIA post-session checks.
That moment exposed a regulatory loophole and helped drive one of modern Formula 1's most important technical safeguards: the requirement for cars to return with enough fuel for legality sampling.
A fraction of a litre. A lasting impact on the sport.
No noise. Just pure racing energy.
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