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Draft Analysis of Heavy-Duty Diesel Vehicle Idle Emission Rates.
| 题名： | Draft Analysis of Heavy-Duty Diesel Vehicle Idle Emission Rates. |
| 作者： | Brzezinski, D. J.; Glover, E. L. |
| 关键词： | Air Pollution Abatement; Carbon Dioxide; Diesel Engines; Emission; Engine Idling; Heavy Duty Vehicles; Hydrocarbons; Nitrogen Oxides; Particulates; Pollutants |
| 摘要： | This report describes EPA's preliminary analysis of heavy-duty diesel vehicle emission data under engine idle operating conditions, where vehicle velocity is zero. It presents analysis and results for several pollutants and operating parameters. The pollutants include emissions of nitrogen oxide (NOx), carbon monoxide (CO), hydrocarbons (HC) and particulate matter (PM) emissions. The operating parameters include the effects of both non-discretionary idle and discretionary idle, extended idle modes, temperature and parasitic load effects (A/C, heater, refrigeration, etc.). For purposes of this report, the term 'non-discretionary' represents vehicle idle operation in which the vehicle typically encounters during normal road operation. It includes the idle operation which a vehicle experiences while waiting at a traffic signal or during a relatively short stop that lasts less than an hour. It is characterized by an engine speed which is at or near the vehicle minimum (typically 600 to 1000 RPM). For future technology vehicles it will characterize vehicle operation in which the vehicles catalytic converter or other emission control system is operating. Throughout this report, the term non-discretionary idle will also be known as 'curb idle.' |
| 报告类型： | 科技报告 |
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