WAEREN,Mich.- General Motors Corp.has sued Goodyear,accusing the tire maker of halting shipments of original equipment tires and breaching its contract with the auto company because of a pricing dispute.GM said in its lawsuit the supply interruption threatens the auto maker's production as well as the opening of its Delta Township,Mich.,plant,slated for Aug.7.The move also threatens other GM factories because Goodyear supplies tires to almost all of its North American assembly plants,the auto maker said.
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