Battery-free electric cars may become real in 5 years

Electric cars have become all the rage lately, thanks to Elon Musk and Tesla, among others, but can you imagine battery-free electric cars? Even if you can’t, you should know that we should be driving them in about 5 years, if all goes well. According to recent research, graphene-based supercapacitors might be the solution to the battery issues we might encounter with electric cars.