Reducing Carbon Emissions In Urban Areas Based On Sustainable Urban Mobility Plans By Purchasing Ecological Buses: Lot 1: 8 Electric Buses With A Length Of About 10 Meters, Respectively 8 Slow Charging Stations And 3 Fast Charging Stations; Lot 2: 1 Electric Minibus With A Length Of About 6 Meters, Respectively 1 Slow Charging Station