Open Procedure With The Criterion Of The Most Economically Advantageous Offer Pursuant To The 71 And 108 Of Legislative Decree 36/2023 For The Supply Of Number 3 Class I Buses, Urban Type Two Axes On A Lowered Rear Plate, Two Doors, With Length Not Exceeding 8,200 Millimeters, With Equipment For Disabled Person In Charge, Methane Power Supply, New Factory, Euro 6 Steps And.