Formula 1 is finally back this weekend as the Australian Grand Prix will kickstart the 2026 campaign, which introduces widespread regulation changes.<br>The new chassis are approximately 32kg lighter with significantly less downforce, while the power unit is more reliant on electrical energy with a near-50:50 split against the internal combustion engine.<br>Such drastic changes, arguably the ...<a class='more' href='https://www.motorsport.com/f1/news/five-things-to-look-out-for-at-f1s-australian-gp/10801945/?utm_source=RSS&utm_medium=referral&utm_campaign=RSS-ALL&utm_term=News&utm_content=www'>Keep reading</a>