It's not the first time an F1 official has said something along these lines—last year F1 CEO Stefano Domenicali also teased the return of naturally aspirated engines. F1 is moving to sustainable fuels from next year, so as long as the energy required to make those fuels comes from wind or solar, it matters not whether the cars have hybrid systems.

FIA president Mohammed Ben Sulayem thinks Formula 1 should at least consider switching back to V10 engines in the future, running on sustainable fuel. F1 is switching to fully synthetic fuel from next year as part of its change in engine formula,