[woodcote]

Haven't watched the full video, but did read some summaries on the BBC and AutoSport websites. The mock-up 2021 car saw my eyebrows rise... in a good way

   

The key things I got out of what I read were

• 1.6l V6 Turbo hybrid engines to stay
  
• Budget cap of $175m per year with sporting penalties for overspending
  
• Pirelli tyres to be less heat-sensitive so drivers can push harder
  
• Major aerodynamic changes to increase downforce of following car
  

The top teams have opposed the rule change, but Ferrari released this in a statement today: "What has been voted is a good starting point. We'll work together to improve them even further."

The aero package focuses on diffusers to create under-car downforce. It is claimed by the FIA that "in 2019 a car following within one car length of another retained only 55% of its total downforce, in 2021 that number should be 86%. At three car lengths, in 2019 it is 68% and in 2021 95%". Some experts believe the changes will cause problems for front-end grip when following a car. Obviously there's more work to be done.

If the regulations create a situation where 'dirty air' issues are minimised, I'd be all for it. Especially if means DRS might be binned - never been a fan of that.