Scott and Joni (Eastman) Holterback, former Emporium residents, have opened Allegheny Motosports in St. Marys. They plan to perform motorcycle, ATV and UTV repairs and services at a location at 1275 Brusselles Street and will host a grand opening of the business this week on Friday, 10 a.m. to 7 p.m. and Saturday from 10 a.m. to 4 p.m