Two 2007 Nissan Altima hybrid electric vehicles were used in an accelerated testing program in Arizona where each vehicle was driven for 160,000 miles. Over the course of the testing from September 2007 to September 2009, the two vehicles were driven a total of 323,000 miles and achieved a cumulative average fuel economy of 29.9 miles per gallon. Maintenance logs were kept and posted online documenting repairs and fuel economy on a monthly basis.

1. Nissan Altima Hybrid Electric Vehicle Accelerated Testing – October 2009
Two model year 2007 Nissan Altima hybrid electric vehicles (HEVs) entered Accelerated testing
during September 2007 in a fleet in Arizona. Each Altima was operated for 160,000 miles, at
which point their traction batteries were tested before they are retired in September 2009. One
page vehicle maintenance logs are posted on nearby www pages. This information includes the
date and mileage for all maintenance and repairs performed on the vehicles. The two Altima
HEVs were driven a total of 323,000 miles and the cumulative average fuel economy was 29.9
mpg. Note that the first month of data had artificially high mpg due to one vehicle operating but
not being fueled.
Nissan Altma - Monthly Fuel Economy
40
Monthly Fuel Economy
39 Cumulative Fuel Economy
38
37
36
Miles per Gallon
35
34
33
32
31
30
29
28
Oct-07
Nov-07
Dec-07
Jan-08
Feb-08
Mar-08
May-08
Jun-08
Jul-08
Oct-08
Nov-08
Dec-08
Jan-09
Feb-09
Mar-09
May-09
Jun-09
Jul-09
Sep-07
Sep-08
Sep-09
Apr-08
Aug-08
Apr-09
Aug-09
Nissan Altima - Miles Driven
350,000 35,000
300,000 Monthly Mileage (right axis) 30,000
Cumulative Mileage (left axis)
250,000 25,000
200,000 20,000
150,000 15,000
100,000 10,000
50,000 5,000
0 0
Nov-07
Nov-08
Jan-08
Jun-08
Jul-08
Jan-09
Jun-09
Jul-09
Sep-07
Oct-07
Dec-07
Feb-08
Mar-08
Apr-08
May-08
Aug-08
Sep-08
Oct-08
Dec-08
Feb-09
Mar-09
Apr-09
May-09
Aug-09
Sep-09