摘要: |
EPA has proposed a new modeling method for on-road vehicle emissions called the Motor Vehicle Emission Simulator (MOVES). The initial release of the MOVES model is scheduled for mid-2004; this version, called MOVE GHG, will address only greenhouse gas emissions, which are primarily due to fuel consumption. This report reviews the overall MOVES model design and the approach to be implemented in MOVES GHG using the publicly available information and presentations provided by EPA through the end of 2003. This study consisted of three main tasks: (1) a review of the overall MOVES approach for on-road vehicles; (2) a review of specific issues related to the modeling of greenhouse gases; and (3) a review of the portable emission monitoring system (PEMS), an innovative in-situ emission measurement method to be used in gathering future emissions data for MOVES. |