Tesla is an American electric vehicle and clean energy company founded in 2003. It is best known for its electric cars, solar panels, and battery storage solutions. Tesla has recently opened a Gigafactory, which is a large-scale factory that produces batteries and other components for electric vehicles. The Gigafactory is located in Nevada and is the largest building in the world by footprint. Tesla's Gigafactory is expected to produce more lithium-ion batteries annually than were produced worldwide in 2013.