The catastrophic failure of a new but unproven copper-cooled
Chevrolet in 1923 led the General Motors Corporation to buy back
the 100 cars it had sold to the public and recall another 400 in
company and dealer hands. As a result, in 1924 General Motors
started building the industry's first scientific proving ground to
test new vehicle designs before they were released for production
and sale. Before this, all automakers tested new cars haphazardly
on public roads and within limited engineering laboratories. Better
known by the public as test tracks, the proving grounds became a
source of curiosity for decades about the secrets they might hold.
Detroit Area Test Tracks goes behind the test track walls to show
how the facilities evolved and what typically takes place inside.
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