Formula 1 has embarked on a new era in 2026 with what is arguably its biggest regulation overhaul in history, as both the chassis and power unit have changed.<br>The chassis is now lighter and nimbler with the minimum weight reducing by 32kg, while the power unit features more electrical energy with a near-50:50 split against the internal combustion engine.<br>This has been contentious to say the ...<a class='more' href='https://www.motorsport.com/f1/news/what-is-the-yo-yo-racing-that-has-been-seen-in-f1-2026/10816421/?utm_source=RSS&utm_medium=referral&utm_campaign=RSS-F1&utm_term=News&utm_content=www'>Keep reading</a>