Original sentence: Alternatives for the future of transport in Leeds are now being discussed, in particular a Bus Rapid Transport (BRT) system, which can potentially delivery some of the benefits of Supertram with lower short-term and higher long-term costs with possible greater flexibility
Edited sentence: Alternatives for the future of transport in Leeds are now being discussed, in particular a Bus Rapid Transport (BRT) system, which can potentially delivery some of the benefits of Supertram with lower short-term and higher long-term  costs but maybe greater flexibility