Sauber will use 2016 power units in 2017 to give it maximum focus on
Formula One's teams are agonising over a late decision to change the pre-season testing venue to Bahrain over Spain.
Formula One will delay mandating cockpit protection until 2018 to allow more time for development.
Qualifying results for the Hungarian GP remained contested hours after the session had ended.
The Lotus Formula One team is teetering on the brink of annihilation at the Japanese Grand Prix, with Renault apparently unwilling to commit to purchasing the team.
Lotus was forced to miss the start of Friday practice without tyres due to a financial dispute.
Formula One's smallest teams continue to call for greater action on the sport's spiralling cost of competition.
The F1 strategy group is recommending a scheduling overhaul and fewer drivers aids from as soon as August this year.
The strategy group has made some potential progress regarding power unit regulation, but little is set in stone.