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TRANSPORTATION ENERGY DATA BOOK: EDITION 22 - Center for ...

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A–30<br />

Then, the number of trucks in Class 2b were split from Classes 1 and 2 by model year (Polk<br />

NVPP data) using shares from ORNL’s Class 2b study (Table A23).<br />

Table A.23<br />

Share of Class 1 and 2 Trucks<br />

that are Class 2b Trucks (8,500-10,000 lbs)<br />

Model Year Share of class 2b trucks<br />

Pre-1974 7.35%<br />

1974 15.64%<br />

1975 17.15%<br />

1976 18.29%<br />

1977 14.60%<br />

1978 17.90%<br />

1979 17.79%<br />

1980 18.20%<br />

1981 13.87%<br />

1982 14.05%<br />

1983 8.13%<br />

1984 9.74%<br />

1985 9.56%<br />

1986 8.77%<br />

1987 8.91%<br />

1988 6.90%<br />

1989 8.34%<br />

1990 6.73%<br />

1991 4.91%<br />

1992 5.04%<br />

1993 5.60%<br />

1994 5.60%<br />

1995 7.05%<br />

1996 6.71%<br />

1997 7.86%<br />

1998 5.01%<br />

1999 9.36%<br />

2000 8.94%<br />

2001 8.61%<br />

<strong>TRANSPORTATION</strong> <strong>ENERGY</strong> <strong>DATA</strong> <strong>BOOK</strong>: <strong>EDITION</strong> <strong>22</strong>—2002

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