Helmut Marko has offered a hint about the fuel temperature issue that had Red Bull in a race against time before the Spanish Grand Prix. Eventual winner Max Verstappen and runner-up Sergio Perez were reported to be only eight seconds away from having to start in the pit lane because the fuel in their RB18 cars was not at the right temperature. Teams are understood to try to keep the fuel temperature cooler than the stipulated minimum level for as long as possible before a race to aid performance. Then they increase the temperature at the necessary time to comply with the regulations. Aston Martin were reported to have got this practice wrong at the preceding Miami Grand Prix, with both of...
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