Honda's decision to leave Formula One at the end of 2021 poses big questions for both Red Bull and the sport as a whole.
First and foremost, two teams, Red Bull and Alpha Tauri, need to find a new engine supplier by this time next year. The sport has rules in place to ensure no team is left without a power unit in its cars, but based on the current contracts in F1, that would pair Red Bull with its former engine partner Renault.
That relationship did not end well back in 2018 and neither side has shown a desire to bury the hatchet.