Formula 1 world champion Nico Rosberg said on Friday he was enjoying the freedom of retirement and could turn his focus to renewable energy now that he has left the racetrack. Interviewed at the World Economic Forum in Davos, Switzerland, the former Mercedes grand prix driver told his audience that 'life has more to offer than driving around in circles. 'I want to go for new challenges… now all of a sudden it's freedom,' he added, saying he had not been able to go skiing for 11 years due to contract clauses. 'I am exploring,' the German said when asked what the future held. 'Renewable energy is something that could be quite interesting. There's so many possibilities, electrical cars...
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