In September 2010, light vehicle sales in the United States increased by 28.50% year-on-year to 95.62 million. From January to September, the cumulative sales volume was 8,985,500 vehicles, an increase of only 10.30% over the same period of last year. Judging from the market share of car companies in each department, from January to September, the share of U.S. local car companies increased by 1.21% year-on-year to 45.03%. The share of European car companies increased by only 0.27% to 7.56%. The share of Asian car companies fell by 1.48% to 47.41%, of which the share of Japanese car companies fell 1.82% year-on-year. In September, the share of U.S. local automakers increased by 1.37% year-on-year to 45.08%. The share of European and Asian car companies fell by 0.67% and 0.69%, respectively. The share of Japanese car companies fell by 1.31%. It is not difficult to see from the above that the native American car companies are the winners of the market. However, the market share of U.S. domestic light-car companies is not always optimistic. Because Navistar's sales and share in this market are minimal, this article focuses on the three major Detroit. For the first nine months of this year, Chrysler and Ford’s light vehicle sales increased by 14.66% and 21.01%, respectively, and in September they increased by 61.11% and 46.39%, both of which were significantly ahead of the market average. However, the growth rate of General Motors has lagged behind the average level. In the first nine months of this year, its sales increased by only 6.83%, which is 3.47% lower than the average. In September, the sales volume only increased by 11.48%, which was 17.02% lower than the average level. In September, Chrysler and Ford’s share of the US light vehicle market increased by 0.36% and 1.46%, respectively. Ford’s share (16.51%) has surpassed Toyota (down from 16.63% in the same period last year to 15.25%), which is second only to GM. The general market share decreased by 0.62% to 19.01% over the same period of last year. In September, the share of Chrysler and Ford increased by 2.11% and 2.02% respectively, while the share of General Motors decreased by 2.76%. Note: The term "light car" in this article refers to passenger cars and light trucks with a total weight of 14,001 pounds ( trucks in Levels 1-3 ). Shearing Machine/Bending Machine Shearing Machine,Bending Machine,Metal Rolling Machine Golden Integrity Roll Forming Machine Co., Ltd. , http://www.hbrollformingmachine.com Ford and Chrysler share growth share