Takeaways from F1's first race of a new era with thrills and concerns ahead of Chinese Grand Prix

Do the new Formula 1 rules create “incredible” racing or “probably the worst” cars in F1 history? The opening race in Australia which mixed a dramatic battle for the lead with some complex strategy, but this week's Chinese Grand Prix could be very different. With a long straight for electrical power boosts and heavy braking zones to recharge the battery, it's the sort of circuit the new cars were designed for.

By JAMES ELLINGWORTH