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
Colchester Rubber Co. in 1892, it went on to create the KEDS and PRO-KEDS brands. The Colchester Rubber Company factory was located at the intersection of Lebanon Avenue and Mill Street in the factory buildings which previously belonged to the Hayward Rubber Company which was in operation from 1847 to 1885. The Hayward Rubber Company was founded by Nathaniel Hayward, who co-invented vulcanised rubber with Charles Goodyear in 1838. Some of the original Colchester Rubber Company factory ruins can still be seen at the site today. Many of the workers in the factory originally came from Ireland. The Colchester Rubber Company was founded