Ross Brawn has confirmed that Formula 1 could end up becoming an all-electric series, although he says it must provide a better spectacle than the "tame" races that are currently found in Formula E. F1 has sued hybrid power units since 2014 and Brawn predicts that the evolution could lead the sport away from internal combustion engines. Formula E recently concluded its fourth season, while its fifth is set to see the introduction of a second-generation car that will run quicker and longer than the previous models. The new cars in FE will have estimated top speeds of 180mph, although that is still some way down on the grunt of an F1 car and Brawn says the premier series will go its...
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