Carlos Sainz has discussed his "excited tension" for the upcoming Formula 1 regulation changes in 2026.<br>2026 brings in a wave of new regulations to the championship, which will see smaller and lighter cars powered by a 50/50 split between the internal combustion engine and electric power.<br>"Yes, but I am also... I don't know what the word is. Excited tension. Excited worry. But obviously, I ...<a class='more' href='https://www.motorsport.com/f1/news/carlos-sainz-admits-excited-worry-as-f1s-2026-regulations-change-looms/10786418/?utm_source=RSS&utm_medium=referral&utm_campaign=RSS-F1&utm_term=News&utm_content=www'>Keep reading</a>