Max Verstappen believes Formula One bosses are listening to drivers’ concerns over the new regulations but again hinted that he might not be around to see any improvements. The four-time world champion has been the fiercest critic of the sport’s new rules, labelling it as “Mario Kart” with the onus placed on drivers managing their battery. Small changes have been made ahead of the fourth round of the season in Miami – five weeks after the last race – with a reduction in energy harvesting and a smaller cap on the boost button part of the tweaks. Verstappen, under contract with Red Bull until 2028, suggested in Japan that he could walk away from the sport. That remains the case, with Verstappen saying: “Nothing new to be honest. I still have time and I’m taking my time.” But the Dutchman is pleased that the voice of the drivers is being considered following discussions with F1 chiefs and the governing body the FIA .…