A GM onboard experimental alcohol and drug impairment detection device of the 1970s – Thomas A. DeMauro @Hemmings

Posted by Charlville
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Considering the emphasis placed on eliminating impaired driving today, be it due to alcohol, drugs, or other distractions such as texting, it’s interesting to note that back in the 1970s (well before texting) General Motors was seeking solutions. An example is this critical tracking test (CTT) “experimental deterrent” that was developed and evaluated by GM’s Engineering Staff for 1974.

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