Tesla, Inc. (formerly Tesla Motors, Inc. ) is an American automotive and energy company based in Palo Alto, California . The company specializes in electric car manufacturing and, through its SolarCity subsidiary, in solar panel manufacturing. It operates multiple production and assembly plants, notably Gigafactory 1 near Reno, Nevada , and its main vehicle manufacturing facility at Tesla Factory in Fremont, California . As of June 2018, Tesla sells the Model S , Model X and Model 3 vehicles, Powerwall and Powerpack batteries, solar panels , solar roof tiles , and related products. Tesla Semi The Tesla Semi is an all-electric Class 8 semi-trailer truck first mentioned in the 2016 Tesla Master plan. Production is slated to begin in 2019. The vehicle's official announcement was at a November 16, 2017 press conference where two prototypes were shown. Musk confirmed that the range would be 500 miles and that the zero to 60 mph time would be 5 seconds versus 15 sec...