In October 2010, for example, they invested in a major offshore wind power development to assist the East coast power grid,[24] which will eventually become one of about a dozen offshore wind farms that are proposed for the region.[25] A week earlier they introduced a car that, with "artificial intelligence", can drive itself using video cameras and radar sensors.[23] In the future, drivers of cars with similar sensors would have fewer accidents. These safer vehicles could therefore be built lighter and require less fuel consumption.[26] They are trying to get companies to create innovative solutions to increasing the world's energy supply.[27] He is an investor in Tesla Motors,[28] which has developed the Tesla Roadster, a 244-mile (393 km) range battery electric vehicle as well as the Tesla Model S, a 265-mile (426 km) range battery electric vehicle.