Tesla Motors produces electric vehicles, including the Tesla Roadster sports car launched in 2008 and Model S sedan launched in 2012. The Model S has received high ratings and was the best selling plug-in electric car in the United States in 2014. Tesla has experienced rapid growth, with $2 billion in revenue in 2013 and a current market capitalization over half of GM and Ford, but also faced challenges including almost going out of business in 2009.