F1 groups irritated by postponement with assessment on 2020 tires

Formula 1 team has articulated their frustration at the postponement over a concluding decision on Pirelli's 2020 tire building due to the influence on their flowing growth.

Pirelli's articulated '20 tires were tested by all groups on Friday of the United States Impressive Prix, but response was so undesirable that there needed a discussion of staying with the recent requirement.

The FIA afterward approved that ....