Max Verstappen says it is "mentally not doable" for him to remain in Formula 1 if the series can't drastically improve its power unit regulations for 2027, with proposals to move to a 60-40 split between combustion power and electric energy now in jeopardy.<br>As F1 stakeholders try to find ways to improve the flawed 2026 power unit regulations for next year, a proposal has been tabled by the FIA ...<a class='more' href='https://www.motorsport.com/f1/news/max-verstappen-not-doable-to-stay-in-f1-if-rules-arent-improved-in-2027/10823608/?utm_source=RSS&utm_medium=referral&utm_campaign=RSS-F1&utm_term=News&utm_content=www'>Keep reading</a>