Ten trolleybuses operated by the local transport company were refurbished and re-entered service to replace 10 existing old Euro 0 buses with poor emissions performance. The implementation occurred relatively early in the CATCH project, thus allowed 2 years for the evaluation study to quantify the level of reduction at the end of CATCH Project.

The replacement of buses with refurbished trolleybuses is equivalent to a 100% reduction in emissions at point of use and electric vehicles are seen as environmentally friendly modes, although trolleybuses are restricted to a fixed network and so not as flexible as other public transport modes.

The level of emission reduction is considered to be very good when compared with the cost of the system installation. The measure is considered to be a long term solution applicable in Suceava and also all cities in Romania where trolleybuses remain a common mode of transport.

Further details are available in chapter 9 of the CATCH Evaluation Report