Tesla, Inc. is an American electric vehicle and clean energy company based in Palo Alto, California, United States. Tesla's current products include electric cars, battery energy storage from home to grid-scale, solar panels and solar roof tiles, as well as other related products and services. 

In 2020, Tesla had the highest sales in the plug-in and battery electric passenger car segments, capturing 16% of the plug-in market (which includes plug-in hybrids) and 23% of the battery-electric (purely electric) market. Through its subsidiary Tesla Energy, the company develops and is a major installer of solar photovoltaic energy generation systems in the United States. Tesla Energy is also one of the largest global suppliers of battery energy storage systems, with 3 gigawatt-hours (GWh) installed in 2020.

Tesla began production of its first car model, the Roadster, in 2009. This was followed by the Model S sedan in 2012, the Model X SUV in 2015, the higher volume Model 3 sedan in 2017, and the Model Y crossover in 2020. The Model 3 is the world's all-time best-selling plug-in electric car, with more than 800,000 delivered through December 2020. Tesla's global vehicle sales were 499,550 units in 2020, a 35.8% increase over the previous year. In 2020, the company surpassed the 1 million mark of electric cars produced.

Founded in July 2003 by Martin Eberhard and Marc Tarpenning as Tesla Motors, the company's name is a tribute to inventor and electrical engineer Nikola Tesla. Elon Musk, who contributed most of the funding in the early days, has served as CEO since 2008. According to Musk, the purpose of Tesla is to help expedite the move to sustainable transport and energy, obtained through electric vehicles and solar power.

On January 10, 2020, Tesla reached a market capitalization of $86 billion, breaking the record for greatest valuation of any American automaker. On June 10, 2020, Tesla's market capitalization surpassed those of BMW, Daimler and Volkswagen combined. The next month, Tesla reached a valuation of $206 billion, surpassing Toyota's $202 billion to become the world's most valuable automaker by market capitalization. On August 31, 2020, following this increase in value, Tesla had a 5-for-1 stock split. Throughout 2020, the share price of Tesla increased 740%, and on January 26, 2021, its market capitalization reached $848 billion, more than the next nine largest automakers combined and making it the 5th most valuable company in the US.

According to wikipedia.org