1.   American tried to cut business fares and simplify the rest of its fare structure.

2.   Because of the current fare structure, some cabbies now seek customers who want to take longer rides.

3.   Airlines have repeatedly tried in recent years to develop simpler fare structures.

4.   AirTran last week lowered its entire fare structure in a bid to win business travelers.

5.   British Airways said it has yet to finalize the fare structure for its premium economy cabin, to be called World Traveler Plus.

6.   But many van drivers said the changes in the fare structure might lead them to shift their routes and serve thoroughfares that are now ignored by the Transit Authority.

7.   But the carriers have yet to come up with a fare structure that truly works.

8.   Carriers have long struggled to find ways to fill surplus seats without alienating high-paying passengers by using computerized yield management systems and elaborate fare structures.

9.   Fare structures can be complicated, with as many as four different fares in the summer on some lines.

10.   He also wanted a simplified fare structure based on the length of trips.