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Ralph Teeter, a blind man, senses by ear that cars on the Pennsylvania Turnpike travel at uneven speeds, which he believes leads to accidents. Through the 1940s he develops a cruise control mechanism that a driver can set to hold the car at a steady speed. Unpopular when generally introduced in the 1950s, cruise control is now standard on more than 70 percent of today’s automobiles.
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Ray Kroc bought a six restaurant chain named McDonald's and opened up the first modern day McDonald's in Des Plaines, IL in 1954.
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The Interstate Highway System was authorized on June 29, 1956 by the Federal Aid Highway Act of 1956, popularly known as the National Interstate and Defense Highways Act of 1956.
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Semi trucks are now being used to move goods other than by train or waterway
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An electronic fuel injection system is developed in Britain. Fuel injection delivers carefully controlled fuel and air to the cylinders to keep a car’s engine running at its most efficient.