How exactly does an electric car work? An electric car is powered by an electric motor instead of a gasoline engine – that much is obvious. The energy is stored in its rechargeable batteries, which are charged by electricity – again, pretty obvious. Read on below to learn all about the details of electric cars and then whether you need electric car auto insurance or gas powered car auto insurance – you can get quotes from many different auto insurers simply by entering your zip code in above to get started!