Jan. 29, 2014 7:56 p.m. ET
ACCRA, Ghana—Henry Appiah is making big changes at the Total SA service station he manages in this bustling African city.
He ousted souvenir vendors who had colonized part of his premises, instead renting the section to a small bank branch. Across the lot, he installed a Goodyear Tire Service Center. Nearby, a new carwash, a tuneup bay and racks...