A power-unit penalty leaves Russell with a mountain to climb in Singapore, and Alonso could prove an unexpected obstacle, Mark Hughes predicts

Isack Hadjar wants them banned, George Russell champions their benefits and Max Verstappen questions their purpose - F1’s cooling vests have become an unlikely source of division

Nigel Mansell’s infamous final-lap failure in the 1991 Canadian GP exposed an unforeseen weakness in Williams’ sophisticated gearbox – and offers a striking parallel with F1’s software-driven problems today

The FIA has explained why cars lost power on the Sepang formation lap, and what Formula 1 will change for Singapore and Austin