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Speciation Profiles and Toxic Emission Factors for Non-road Engines
| 题名： | Speciation Profiles and Toxic Emission Factors for Non-road Engines |
| 作者： | empty |
| 关键词： | Speciation profiles##Toxic emissions##Non-road engines##Air pollution emissions##Emission rates##Gasoline engines##Diesel engines##Compressed natural gas##Organic gas aggregations##MOVES2014## |
| 摘要： | Air pollution inventory modelers have traditionally estimated emissions from nonroad, or non-highway, engines and equipment by using EPA’s NONROAD model. With the release of MOVES2014, users are able to model emissions from both onroad highway vehicles and nonroad engines and equipment within the same interface. However, MOVES2014 did not estimate emissions of nonroad toxics or speciated hydrocarbons. This capability has been added to MOVES2014a. This document describes the data used to generate speciation profiles and emission rates for toxic compounds emitted from nonroad engines and equipment in the MOVES2014a database and model. Substantial updates to nonroad air toxic emission factors, historically estimated from the National Mobile Inventory Model (NMIM)1, were provided by incorporating data from several test programs on speciated emissions from gasoline and diesel engines and equipment. This document details the research and development behind how MOVES2014a estimates air toxic emissions for nonroad engines and equipment run on conventional gasoline without ethanol (E0) and gasoline blended with 10% ethanol (E10) as well as diesel fuel, compressed natural gas (CNG), and liquefied petroleum gas (LPG). For diesel engines, air toxic emissions may also be differentiated by large and small engine horsepower classifications (described in greater detail in Section 3.1). |
| 总页数： | 87 |
| 报告类型： | 科技报告 |
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