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CIVITAS Case Study - Hybrid bus is better for Bath

The hybrid bus measure of the CIVITAS RENAISSANCE project was designed to demonstrate the feasibility of operation of a diesel electric hybrid bus alongside conventional diesel vehicles on a Park and Ride routes in Bath. From August 2010 until February 2012, an experimental Wrightbus hybrid electric vehicle (HEV) was used in passenger carrying service on the three Bath Park & Ride services as a substitute for one of the dedicated fleet of eight Volvo B7TL diesel vehicles. Diesel electric hybrid buses use a much smaller diesel engine than usual for a bus to charge batteries which then drive an electric motor to power the bus. The purpose of this system is to effect considerable reductions to the fuel used and the noxious emissions produced by the vehicle whilst maintaining its performance and flexibility of use to be comparable with a diesel vehicle.