Ahmedabad: In the final run for winning the contract for the operations and maintenance of Bus Rapid Transit System (BRTS) services, EURO-3 diesel run buses have taken the lead. The bids quoted by the five main operators are in range of Rs 34-Rs 36 per kilometre for EURO-3 diesel bu s e s which is the most economical option available to the Ahmedabad Janmarg Limited(AJL).