Although the share of the electric carmaker’s U. S. market is expected to decline over the next four years, sales will increase as a large number of drivers are expected to buy electric cars. “While this direction of the market share is a bit intimidating, Tesla is still one of the largest (manufacturers) in the U. S. electric vehicle market. “The report said. This may be worrisome for Tesla shareholders, but the electric car market is developing very fast, even if Tesla were to increase its sales extraordinarily, its overall market share would fall as the market grows even faster….