That’s where Ammex Inc., the chain of duty-free shops owned by the Ambassador Bridge Co., sells gas and diesel duty-free at a price that’s too good to be true — usually around 15 cents US a gallon ...

Fuel pumps for regular gas at the Ambassador Bridge’s Ammex duty free store in Detroit have been shut down indefinitely after four vehicles heading to Canada stalled on the bridge.

Ambassador Bridge owner Matty Moroun could face fines of more than $800,000 after he allegedly sold mislabelled gas at his Ammex duty free pumps and thumbed his nose at a state order to provide ...