1. Ground effect tunnels 
The new cars will have aerodynamic tunnels on the underside to encourage ground effect. Bargeboards will be eliminated to smooth airflow and teams will no longer be allowed raised noses.
3. Australia 
F1 will return to Melbourne for the first time since the race's dramatic last-minute cancellation in 2020 due to the onset of Coronavirus. China was due to return too, but was dropped due to travel restrictions and should be back in 2023.
4. Guanyu Zhou 
Alpine junior driver Zhou will become F1’s first-ever Chinese driver after being drafted in by Alfa Romeo. He finished third in the F2 season behind title winner Oscar Piastri and runner-up Robert Shwartzman.
5. Pretty surreal 
Despite being lined up for a Mercedes race seat for much of his junior career and already racing for the team as a substitute for Lewis Hamilton in Abu Dhabi in 2020, Russell still found it hard for his signing to sink in.
6. Seven 
After a driver merry-go-round last year, this season sees a pretty stable running order with only three teams - Williams, Mercedes and Alfa Romeo - changing their line-ups.
7. A temporary track 
The track is defined as a temporary venue as it will be run on new and existing roads within the private Hard Rock Stadium grounds as opposed to on closed streets or a permanent racing venue.
8. Portuguese, Styrian, Turkish and Qatar 
These four events all ran in 2021 as ‘replacement’ races to fill the calendar after others were cancelled. They are now dropped, although Qatar will return at a new venue in 2023. France and Azerbaijan are regular fixtures.
9. To avoid clashing with the football World Cup 
The expansion of the calendar has extended the season well into December in recent seasons, but with the World Cup taking place in the Middle East from late November this year, F1 chose to finish early to avoid a clash.
10. It will carry the number 1 
Hamilton has chosen to retain his traditional number 44 in recent years every time he has won the world title and Nico Rosberg retired when he was champion in 2016. Verstappen, however, has decided to take up the number 1.
11. Red Bull 
Red Bull took over the Honda engine programme at the end of 2021 and set up its own engine business, which aims to not only run the frozen specification engines for the next few years but to also develop and potentially sell new units in the future.
12. Alex Albon 
Former Red Bull driver Albon was dropped in favour of Sergio Perez in 2021 and although the Mexican has retained his place alongside Max Verstappen this year, the Thai-British racer will return to the grid with Williams.
13. His mum 
Raikkonen claims he will not miss F1 one bit but said his mum would be the most relieved he will no longer be on the grid, revealing: “she’s been asking probably for the last 15 years if I stop already.”
14. 1983 
Newey feels the new rules will make a major difference to the way the cars behave in 2022, similar to the dramatic changes seen when the old ground-effect venturi cars were banned
15. They will be covered in rubber 
The new regulations have stipulated that some parts must be covered in a rubber membrane designed to stop certain parts shattering so easily, reducing the amount of on-track debris during incidents.
16. 14% 
The 2022 regulations have been specifically designed to reduce the ‘dirty air’ created by the current crop of cars, which have made it so difficult to overtake. The new designs should enable cars to follow more closely.
17. S**t 
The McLaren driver was overheard making the critical comment to a fellow driver but later claimed: “I was probably talking about something else because, to be honest, we were talking about quite a few things. I wouldn’t have been that aggressive to it, maybe it was the paint scheme...”
18. They will be fitted on an 18-inch rim 
The new tyres will be more low profile, designed to be more in keeping with road tyres but also less affected by temperature variations. There will still be the same number of compounds to choose from and they stay the same width.
19. Six 
The new sprint race format was deemed a success in 2021 so F1’s organisers decided to up the number for 2022 but it has still been kept to a relatively low six (just under a quarter of races).
20. 10% 
F1 has upped its commitment to a greener future by increasing the amount of sustainably sourced ethanol it uses from 5.75% to 10%, with plans to increase that amount in the future.
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