Emissions regulation today is non-uniform, with some regions imposing carbon costs within their borders while many others do not. This gives rise to concerns over carbon leakage ― offshoring and foreign entry in response to regional asymmetry in carbon costs. It is widely believed that carbon...

Fleet optimization for postal operators (POs) is an important effort towards sustainable transportation in several ways. First, of course, is its direct economic impact through investment, amortization and operating costs. Second, is its impact on the carbon footprint of the PO. While the...