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
Seiberling Rubber Company belonging to Bridgestone when the latter took over Firestone. Seiberling tires are no longer sold in the US market, but the brand name is still in use in some countries. Manufactured at Firestone's plants, they are aimed to the budget-oriented consumer in selected sizes. Seiberling Rubber Company The Seiberling Rubber Company was an American tire manufacturer for motor vehicles. In 1898 Frank A. Seiberling acquired an old strawboard factory in Akron, Ohio and founded the Goodyear Tire & Rubber Company (naming it after Charles Goodyear, the inventor of vulcanized rubber). He served as the company's president for 15 years when,