The 1901 Mercedes, designed by Wilhelm Maybach for Daimler Motoren Gesellschaft, deserves credit for being the first modern motorcar in all essentials.

Ford's mass production technology was quickly adopted by other U.S. automakers, which required more capital expenditure and more sales.

The number of active automobile manufacturers decreased from 253 in 1908 to 44 in 1929, accounting for 80% of the total output of automobile industry.

Vanadium steel makes T-type cars lighter and stronger, and new casting methods of parts (especially integral casting of engine) help to reduce the price.