http://www.brakeandfrontend.com/retro-brakes-brake-front-end-helped-win-wwii/
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BRAKE & FRONT END, March 1943: During the depths of WWII, brake repair took on newfound importance. By 1943, the industrial might of the U.S. was at its height and was critical to the success of the war effort.
El racionamieento de gasolina y caucho exigió cuidar más los sistemas de freno.
Rationing of gasoline and rubber put increased importance on brakes that functioned properly since dragging brakes burned extra fuel and ones that locked up destroyed tires.