The 2016 World Champion expects his former series and Formula E to merge in the future. Nico Rosberg has invested in the Formula E series with his own cash as the four-year-old sport continues to grow.
F1 still attracts the bigger sponsorship and the higher viewing figures, but the electric version is growing. This was proved today when Heineken announced they had become title sponsors.
See here: Heineken set to sponsor Formula E.
"Maybe we will never even get to that point [where Formula E is bigger than F1], and we will just see a merger between Formula One and Formula E before that," Rosberg told The Associated Press.
"When the moment comes that Formula One needs to go electric, which will happen, maybe you will see a merger then."
From that, Rosberg seems certain F1 will become an electric powered sport. Eventually, with the way global warming is viewed, every single version of motorsport might have to copy. Rosberg acknowledges how big the problem is.
"It's a real problem out there in the world and we need to do what we can as fast as possible to help altogether," the former Mercedes driver added.
"If the whole world is selling and driving electric cars, it doesn't make sense for Formula One to be combustion engines so that moment will come."