At General Motors' costly ($4,100,000) show of its new cars in Manhattan's Waldorf-Astoria last week, U.S. Steel's Director Irving S. Olds stared thoughtfully at the Corvette, Chevrolet's shiny, white experimental sports roadster. Olds* had good reason to stareĀand perhaps to worry. The Corvette's body is molded of fiber-glass plastic, one-quarter the weight of steel but equally as strong for most products, though much more expensive.
To show the importance of the new sports-car trend, G.M. unwrapped three other futuristic sports cars, also made of fiber glass. Cadillac's three-passenger Le Mans is only 51 in. high to the top of its windshield,...