Douglas Benson's research while affiliated with North Dakota State University and other places
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Publications (4)
A model of investment in basic track components is estimated from 1985-2008 data for Class I railroads. Network size is measured in miles of road (MOR), while traffic is measured in revenue gross ton-miles (RGTM). In addition to MOR and RGTM, the model includes railroad indicator and time variables. The purpose of the railroad variables is to captu...
This paper provides information about railroad fuel efficiency. Two methods of estimating railroad fuel consumption are demonstrated: (1)an analytical procedure based on train resistance factors, speeds, changes in elevation, and car weights; and (2)a statistical procedure that utilizes observed data. Both procedures are used to estimate the effici...
This paper presents a railroad energy efficiency model used to estimate the fuel economies for classes of trains transporting various commodities. Comparable procedures are used to estimate truck and waterway fuel consumption. The results show that coal unit trains are 4.5–5.0 times more energy efficient than movements in the largest trucks allowed...
The energy efficiency of freight transportation is a critical issue in the United States in light of the price volatility
of fuels and America’s dependence upon foreign sources of petroleum. Moreover, energy efficiency is important
to environmental policy. The use of fossil fuels for transportation purposes results in the emission of air pollutants...
Citations
... In the USA, diesel traction is dominant. Actions aimed at improving energy efficiency may include the technical development of the existing internal combustion engines and the improvement of the technique of driving a combustion traction vehicle [59]. The importance of such activities for railways in Japan is marginal due to the dominant electric traction there [60]. ...
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... Previous research efforts evaluate fuel efficiency and resulting emissions mainly through system-average efficiency factors (37,38), micro-simulation (39), mesoscopic simulation (40), and intermediate regression (39,41,42). Elgowainy et al. (43) updates Argonne National Laboratory (ANL)'s system-wide average efficiency factors using operational data from railroads, which are further updated with commodity-specific efficiency estimates in GREET (15). ...
... Waterway transport is the cheapest mode of inland cargo transportation (Caris et al., 2014). It is also the most energy-efficient mode of transport (Tolliver et al., 2013) and the inland transport with the lowest CO 2 emissions per cargo transport (Feng et al., 2019). Inland water transportation is also an important driver of regional economic development (Dávid and Madudová, 2019). ...
