The game covers the history of the US car industry during its birth and growth, from 1896 to 1929. The aim of the game is to make the most money, which means making and selling cars.
The Treefrog edition is sold out, but a new version is due to be published by Mayfair and Phalanx.
The rules can be downloaded here:
Automobile rules (PDF)
Automobile rules – German (PDF)