Heng, Yan; Lim, Siew Hoon - In: The Journal of Economics 37 (2011) 2, pp. 55-78
Greenhouse gas (GHG) emissions have been an issue consuming much of the climate change policy debates and media coverage. Freight trucking is a major source of GHG within the transportation sector. This paper measures and evaluates trucking efficiency and productivity for 48 contiguous states in...