Henry Ford family sole ownership of the company. By the mid-1920s, sales of the Model T began to decline due to rising competition. Other auto makers offered payment plans through which consumers could buy their cars, which usually included more modern mechanical features and styling not available with the Model T. Despite urgings from Edsel, Henry refused to incorporate new features into the Model T or to form a customer credit plan. By 1926, flagging sales of the Model T finally convinced Ford to make a new model. He pursued the project with a great deal of technical expertise in design of
Tesla Model S the Volt/Ampera family of plug-in hybrids (134,500). Tesla delivered its 200,000th Model S in the fourth quarter of 2017. About 54,715 Model S cars were sold globally in 2017. Of these, an estimated 26,500 were delivered in the United States (48.4%), its main market. After being the world's top selling plug-in car for two consecutive years, the Model S ranked in 2017 as the world's second best seller plug-in after the BAIC EC-Series city car, which sold over 78,000 units in China during 2017. , with global deliveries of about 212,874 units, the Tesla Model S continued to rank as