Mohsen Oil #7 in Chula Vista serves the Main Street corridor at 3205 Main Street near Beyer Way, one of several stations operated by Mohsen Corporation, a fuel and trucking company established in Oceanside in 1995. The station's cash-and-credit-same-price policy eliminates the split pricing common at competing pumps, a transparent cost structure that extends to the posted labor rates at Caliber Collision for insurance-backed body repairs. Regular, midgrade, premium, and diesel grades pump from islands equipped with DEF fluid bottles for SCR-equipped diesel trucks. A full convenience store, propane exchange, and vacuum bays support the quick-service vehicle errands that drivers also handle at Hands-On Auto Detail across the south Chula Vista market. Each pump bay carries a high-flow diesel nozzle rated for Class 6-8 commercial rigs alongside standard-flow gasoline handles fitted with CARB-mandated Stage II vapor-recovery boots.