Bridgestone Americas Inc. (BSAM), the U.S. subsidiary of Bridgestone Corp. (TYO:5108), announced on Sept. 15 that it will sell all shares of its wholly owned subsidiary Speedco Inc. to U.S.-based Love’s Travel Stops & Country Stores Inc. The sale price was not disclosed. Speedco provides automotive lube, maintenance and other services to the trucking industry, and owns 52 stores in…