The potential role of automotive evaporative emissions in the formation of photochemical smog has underscored the need for an accurate evaluation of real-world motor vehicle evaporative emission rates. Two general categories of information are needed to predict evaporative emissions for vehicles in actual use. The first category defines the environment that a vehicle experiences in the real world. This includes conditions such as driving pattern, ambient temperature, refueling behavior, and gasoline Reid vapor pressure (RVP). The second category describes how the vehicle responds to these conditions. This includes weathering of the fuel in the fuel tank and how evaporative emissions vary as a function of RVP, ambient temperature, and fuel tank level.


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    Description of a motor vehicle evaporative emissions model - EVAP 2,0

    Kishan,S. / DeFries,T.H. / Klausmeier,R.F. et al. | Kraftfahrwesen | 1988


    CRC-Radian Evaporative Emissions Model: EVAP 2.0 Annual Report, 1988

    S. Kishan / T. H. DeFries / R. Klausmeier | NTIS | 1989



    Description of a Motor Vehicle Evaporative Emissions Model-EVAP 2.0

    Klausmeier, R. F. / Kishan, S. / DeFries, T. H. | SAE Technical Papers | 1988


    Evap sub-systems with reduced evaporative emissions - a support to environmental protection

    Weber, O. / IMechE; Automobile Division / IEE | British Library Conference Proceedings | 1996