Software speeds up vehicle emissions modeling for better environmental planning
uTECH Turbo-MOVES: The Intersection of Software Architectural Innovation and Sustainable Mobility Analysis
Software EngineeringDistributed, Parallel, and Cluster Computing
Summary
Transportation causes lots of pollution, so knowing exactly how much emissions come from vehicles is important for making smart environmental decisions. The U.S. EPA has a tool called MOVES for this, but it can be slow when handling big studies. The authors created uTECH Turbo-MOVES, a software setup that speeds up MOVES drastically without changing how MOVES itself works. This lets people run larger and faster emissions analyses to help plan better transportation policies.
What this means in practice
- •For transportation planners: Perform large-scale vehicle emissions studies faster to evaluate transportation policies with enhanced computational efficiency.
- •For environmental consultants: Run detailed regional emissions inventories and rate analyses more quickly to support compliance and environmental assessment projects.
Authors
Cafer Avcı, Alireza Yazdiani, Roopak Srinivasan, Megh Khaire, Mohammad Tayarani, H. Oliver Gao
Abstract
Transportation is a major source of energy consumption, greenhouse gas emissions, and criteria air pollutants, making efficient emissions estimation essential for environmental planning and policy analyses. The U.S. Environmental Protection Agency's Motor Vehicle Emission Simulator (MOVES) supports detailed emissions modeling, but its computational demands constrain large-scale scenario analyses. This study introduces uTECH Turbo-MOVES, a software architecture that expedites MOVES computation without modifying its Calculator modules or input/output structure. By combining RunSpec partitioning, container isolation, in-memory intermediate storage, and concurrent workload orchestration, it improves execution efficiency. We evaluate six benchmark cases spanning County, Default, and Project scales and both Emission Inventory and Emission Rates modes. Results demonstrate a measured 5.5x and an estimated 15.3x per-run speedup for Default-scale workloads, and an 84.8x campaign speedup for an eight-county Emission Rates analysis. Although gains vary by workload and hardware configuration, uTECH Turbo-MOVES enables more extensive environmental assessments and transportation policy evaluation.