Elon Musk believes electric planes will become more practical in about 5 years

For as easy as it is to poke fun at Elon Musk's online shenanigans, there's no denying that he was able to revolutionize the auto industry in a relatively short period of time. Thanks to the initial success of the Model S, Tesla was able to prove that electric cars didn't have to be clunky eyesores. What's more, the popularity of the Model S -- along with the Model Y and the Model 3 -- definitively proved that demand for EVs was far greater than anyone could have anticipated even a few years ago...