Pirelli using new secret testing procedure on 2020 F1 tyres

On the back of concerns voiced by teams that the 2019 generation of tyres have too narrow an operating window, Pirelli has agreed to try to expand it for next year.
Development of the 2020 rubber is well advanced, but one of the key issues for Pirelli was finding a way to test that the compounds it wants to use will work over a wider variety of temperatures.
Pirelli's head of car racing ...Keep reading