The Determination of EPA City Fuel Economy from Hot Start Results

Format:

Conference/Event

Author/Creator:

Mrozek, Paul M., author.

Conference Name:

International Congress & Exposition (1994-02-28 : Detroit, Michigan, United States)

Language:

English

Physical Description:

1 online resource

Place of Publication:

Warrendale, PA SAE International 1994

Summary:

Most computer simulation models do not predict the transient warm-up characteristics of a vehicle. This paper shows how the standard EPA fuel economy equations can be used to predict city fuel economy from only the "hot start" fuel consumption. The results of 2550 emissions certification tests on gasoline-fueled automobiles were used in the analysis. A plot of the data shows a strong linear relation between cold start fuel economy and hot start fuel economy; R2 = 99.76%. The regression equation from this comparison was then used to express EPA city fuel economy as a function of only the hot start fuel economy

Notes:

Vendor supplied data

Publisher Number:

940300

Access Restriction:

Restricted for use by site license