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3470. Planning for a Transition to a Low Emissions profile for a large Commercial Vehicle Fleet
Invited abstract in session TA-29: Applications of combinatorial optimisation in industry and services I, stream Combinatorial Optimization.
Tuesday, 8:30-10:00Room: 157 (building: 208)
Authors (first author is the speaker)
1. | Brian Dangerfield
|
Loughborough Business School, Loughborough University |
Abstract
This presentation describes the formulation of a linear programming model and its use as a decision support tool to assess the phasing out of diesel vehicles and their replacement by low emission vans (LCV) and trucks (HGV). The company concerned offered one of the largest fleets of commercial rental vehicles in the UK and was keen to maintain its credentials with respect to decarbonisation.
The main considerations for management were the planned lifetime of the various existing diesel vehicles, the likely capital budget for new vehicles, a company-set reduction in CO2 emissions over the planning horizon, a reduction in the ratio of diesel to electric vehicles and all this in the context of a percentage annual growth rate for the total fleet size. The objective function was to minimise emissions over 5 years and one of the main outcomes was whether the company’s planned profile for reduction in CO2 emissions was feasible given the capital spending budget for new vehicles. The difference in purchasing costs of diesel and electric vehicles is quite considerable and, so to both adhere to the purchasing budget and achieve the planned emissions reductions, it would not be possible to adopt a cliff edge change in the vehicle purchasing profile. The continued acquisition of some diesel vehicles would be necessary. The model (developed using the Xpress platform) is described in detail along with the reaction of the company management to the results obtained.
Keywords
- Programming, Linear
- OR in Sustainability
- Combinatorial Optimization
Status: accepted
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