Image:CAFEStandard.png

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[edit] Summary

CAFE and CAFE Standard data is from [1] and is without copyright (government genesis). Price data is available from [2] back to 1990. Prior data from private communication with EIA at "contact us" email. All data is reproduced below:

   year CAFE_Standard CAFE    price
1  1977            NA 18.8 206.2655
2  1978          18.0 19.9 194.7933
3  1979          19.0 20.3 238.8043
4  1980          20.0 24.3 304.6044
5  1981          22.0 25.9 305.6065
6  1982          24.0 26.6 262.9193
7  1983          26.0 26.4 243.7637
8  1984          27.0 26.9 228.1983
9  1985          27.5 27.6 218.2835
10 1986          26.0 28.2 163.5044
11 1987          26.0 28.5 161.6940
12 1988          26.0 28.8 154.8381
13 1989          26.5 28.4 160.1157
14 1990          27.5 28.0 173.9144
15 1991          27.5 28.4 163.2805
16 1992          27.5 27.9 156.0657
17 1993          27.5 28.4 149.2432
18 1994          27.5 28.3 146.1085
19 1995          27.5 28.6 146.6072
20 1996          27.5 28.5 154.0847
21 1997          27.5 28.7 150.6558
22 1998          27.5 28.8 127.3030
23 1999          27.5 28.3 137.3125
24 2000          27.5 28.5 173.9415
25 2001          27.5 28.8 162.3368
26 2002          27.5 29.0 150.2568
27 2003          27.5 29.5 170.8122
28 2004          27.5 29.1 197.3311

The image was made with R using the following code after loading in the data.

bitmap(file="CAFEStandard.png",type="png256",width=6,height=3,res=300,pointsize=12)
par(mar=c(3.5,3.5,1,3.5))
par(xaxs="i")
par(yaxs="r")
par(yaxt="n")
par(xaxt="n")
x <- data$year
plot(x,data$price,type="l",lwd=3,xlab="",ylab="")
par(yaxt="s")
par(xaxt="s")
axis(1,at=c(1980,1984,1988,1992,1996,2000,2004))
mtext("year",1,2)
par(mgp=c(2,0.5,0))
axis(2,at=c(150,200,250,300),labels=c(15,20,25,30),line=0)
mtext("MPG",2,line=2)
axis(4,at=c(150,200,250,300),labels=c("1.50","2.00","2.50","3.00"))
mtext("price per gallon (2006 dollars)",4,line=2)
lines(x,10*data$CAFE_Standard,col="red",lwd=3)
lines(x,10*data$CAFE,col="blue",lwd=3)
legend("bottomleft",legend=c("Price","CAFE","CAFE standard"),col=c("black","blue","red"),lwd=3,bty="n")
dev.off()

This work is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or any later version.

This work is distributed in the hope that it will be useful, but without any warranty; without even the implied warranty of merchantability or fitness for a particular purpose. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA

[edit] Licensing

Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts.

File history

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(del) (cur) 00:16, 2 March 2007 . . Pdbailey (Talk | contribs) . . 1800×900 (23,017 bytes) (== Summary == CAFE and CAFE Standard data is from [http://www.nhtsa.gov/cars/rules/CAFE/NewPassengerCarFleet.htm] and is without copyright (government genesis). Price data is available from [http://www.eia.doe.gov/oil_gas/petroleum/data_publications/wrgp/)