Fuel saving and ridesharing in the US: Motivations,limitations, and opportunities |
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| Authors: | Sheldon H Jacobson Douglas M King |
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| Institution: | 1. University of Illinois, Department of Computer Science, Simulation and Optimization Laboratory, 201 N. Goodwin Avenue (MC258), Urbana, IL 61801, USA;2. University of Illinois, Department of Industrial and Enterprise Systems Engineering, Simulation and Optimization Laboratory, 104 S. Mathews Avenue (MC238), Urbana, IL 61801, USA;1. The Key Laboratory of Road and Traffic Engineering, Ministry of Education, Tongji University, 4800 Cao’ an Road, Shanghai 201804, PR China;2. Department of Civil and Environmental Engineering, University of Washington, 101 More Hall, 3760 E. Stevens Way NE, Seattle, WA, 98195, USA;1. Department of Computer Science, University of Southern California, 941 Bloom Walk, SAL300, Los Angeles, CA 90089-0781, United States;2. Department of Industrial and Systems Engineering, University of Southern California, 3715 McClintock Avenue, GER240, Los Angeles, CA 90089-0193, United States;3. Industrial Engineering Department, Universidad de Chile, Republica 701, Santiago, Chile;4. Department of Electrical and Computer Engineering, McGill University, 3630 University Street, Montreal, Quebec H3A 0C6, Canada;1. NICTA, Australian National University, Australia;2. H. Milton Stewart School of Industrial and Systems Engineering, Georgia Institute of Technology, Atlanta, United States;1. LAAS-CNRS, Université de Toulouse, CNRS, Toulouse, France;2. Université du Québec à Montréal, Montréal, Canada;3. LAAS-CNRS, Université de Toulouse, CNRS, INSA, Toulouse, France |
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| Abstract: | Ridesharing can reduce the fuel consumed in noncommercial passenger highway vehicles by grouping individuals into fewer vehicles and reducing the number of miles that vehicles must travel. We estimate the potential fuel savings that could result from an increase in ridesharing in the US. If no additional travel is required to pick up passengers, adding one additional passenger for every 100 vehicles would reduce annual fuel consumption by 0.80–0.82 billion gallons of gasoline per year; if one passenger were added in every 10 vehicles, the potential savings would be 7.54–7.74 billion gallons per year. However, ridesharing may require extra travel to pick up additional passengers, which can reduce and possibly eliminate potential fuel savings. The tradeoff between saving fuel and spending time to pick up additional passengers is investigated, finding that, on average, ridesharing may not be attractive to travelers, but can be made more attractive by increasing per-vehicle-trip costs such as parking and tolls. |
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