Volkswagen
Volks, "folks," or "people" and wagen, or ""auto"
The "people's Car," 1934
Dr Ferdinand Porsche, engineer / Adolph Hitler
Cheap, fuel efficient, reliable, easy to repair.
Sold in US and Canada in 1950's. Sales rose during the mid-1960's.
Also German and notable -
Porsche
Mercedes Benz
BMW (Bavarian Motor Works)
Audi
there are numerous additional German auto companies!
Nikolaus Otto: a German engineer who developed the first four-stroke internal combustion engine in the 1860's.
The blimp-like airship called a Zeppelin was developed by Germans and used in the 1920's and 1930's for flights around Europe and across the Atlantic.