Budd–Michelin rubber-tired rail cars remained obscure in comparison with other competitors for the title, such as the "Pioneer Zephyr" and Union Pacific's M-10000. Rubber-tired rail cars achieved greater success in France, and similar rubber-tired subway cars have been adopted in Canada and Mexico as well as on numerous systems in Europe. During the 1920s, the American Budd Company, at the time a relatively obscure auto-frame supplier, developed an extensive working relationship with the French firm Michelin, which was best known for its tires. In 1929, Michelin built its first rail car, and by 1932 nine of its cars were in operating service, all of
Rubber Factory recording location, as the building that Carney lived in was sold by its landlord. They decided to set up a makeshift studio in a dilapidated factory in their hometown of Akron, Ohio that was previously used by General Tire to manufacture rubber tires. The band rented the entire second floor of the building for $500 per month, dubbing their workspace "Sentient Sound". General Tire closed the factory in 1982, though space in the building was still being leased out at the time of recording. Of the factory, Carney said it was "not really ideal in any way. It's too far