... procurement has also been addressed in Preuss (2009) . A wide range of initiatives that local councils have to undertake to address all three aspects of sustainability are presented (Preuss, 2009). Public procurement Bus transports Competitive tendering Bids Road transport Buses Tendering...

... particulates PM2.5 ranges between 18 and 32 percent, depending on the area and season (CAIP, 2002). Previous studies on the transportation system in Egypt indicated that road transportation represents about 87 percent of the total intercity freights (38.77 billion ton‐km), and 100 percent of the urban...