Listen to this article For the start of the 2022 season, the maximum temperature that tyres can be heated before they are fitted to the cars has been reduced to 70 degrees Celsius. Up until last year, the fronts could be heated to 100°C while the rears were allowed to be warmed to 80°C. The shift in temperatures has triggered some warm-up issues for drivers when coming out of the pits, and in races has made the undercut less effective as the rubber is not immediately at its fastest for the first corners. But the driver headaches could be amplified dramatically in the kind of mixed conditions that are expected for the Emilia Romagna Grand Prix. Choosing the right moment to switch from intermediates to slicks could become especially tricky as the dry …