Powder Coating Application Issues, Problems & Fixes Now, for the gun settings: check your kV levels and powder flow, especially with consideration to what each individual powder requires. If you do fiddle with the settings frequently and see this application issue crop up, double-check the Technical Data Sheet or call up your supplier for the correct kV and flow settings. Automotive industry in the United States - Wikipedia The automotive industry in the United States began in the 1890s and, as a result of the size of the domestic market and the use of mass production, rapidly evolved into the largest in the world. The United States was the first country in the world to have a mass market for vehicle production and sales and is a pioneer of the automotive industry and mass market production process.