Date Miles Gallons Monthly MPG Monthly MPG Aggr Monthly Cost Avg Temp         (High, ºF) Avg Temp         (Low, ºF)   Prius Info:      
Jan 05 0 0.000 0.0 0.0 $0.00 60 30   Location: El Paso, TX        
Feb 05 405 7.816 51.8 51.8 $13.75 66 34   Fuel:   86 Octane        
Mar 05 1053 18.988 55.5 54.4 $38.00 73 39   Oil:   3.7 Qt, Mobil 1 5w30 Synthetic      
Apr 05 946 16.680 56.7 55.3 $43.50 81 45   Tires:   Gdyr Integrity P185/65R15, 42 psi      
May 05 1391 26.043 53.4 54.6 $67.50 89 54      
Jun 05 1951 37.538 52.0 53.7 $83.00 97 64      
Jul 05 381 6.424 59.3 54.0 $14.25 102 74 Estimated Fuel Savings over mid-size vehicle      
Aug 05 2255 45.713 49.3 52.7 $114.25 95 70 $905.43          
Sep 05 578 10.990 52.6 52.6 $30.25 95 70            
Oct 05 308 6.251 49.3 52.5 $13.75 81 65 Avg mid-size fuel economy: 21.4            
Nov 05 368 7.877 46.7 52.3 $15.75 60 45              
Dec 05 2955 61.418 48.1 51.2 $130.25 70 45          
  1144.6   51.237   $47.02          
                   
Date Odometer Gallons Cost MPG
Shown		 Location Remarks Total
Cost		 MPG
Calc'd		 Yearly
MPG		 Total
Gallons		 Avg Cost/Gal Avg Cost/Mile    
2/7/05 19       Hoy Fox Received Vehicle              
2/22/05 405 7.816 $13.75 55.3 AAFES   $13.75 49.4 51.8 7.816  $      1.759  $     0.0340    
3/14/05 933 9.200 $17.75 58.0 AAFES   $31.50 57.4 54.8 17.016  $      1.851  $     0.0338    
3/31/05 1458 9.788 $20.25 56.4 AAFES   $51.75 53.6 54.4 26.804  $      1.931  $     0.0355    
4/19/05 1973 9.558 $21.25 59.3 AAFES   $73.00 53.9 54.3 36.362  $      2.008  $     0.0370    
4/28/05 2404 7.122 $22.25 60.2 Chevron Dynamat Installaion $95.25 60.5 55.3 43.484  $      2.190  $     0.0396    
5/1/05 2835 7.772 $23.25 53.4 FINA To San Antonio (75mph) $118.50 55.5 55.3 51.256  $      2.312  $     0.0418    
5/1/05 3342 8.833 $24.25 52.9 Chevron Fm San Antonio (70 mph) $142.75 57.4 55.6 60.089  $      2.376  $     0.0427    
5/18/05 3795 9.438 $20.00 56.2 Chevron   $162.75 48.0 54.6 69.527  $      2.341  $     0.0429    
6/10/05 4352 10.191 $22.00 60.1 Chevron Huber Optic Installation $184.75 54.7 54.6 79.718  $      2.318  $     0.0425    
6/23/05 4704 6.367 $14.00 56.4 Chevron   $198.75 55.3 54.6 86.085  $      2.309  $     0.0423        
6/24/05 5218 10.325 $22.50 50.0 Chevron To Abilene (75 mph) $221.25 49.8 54.1 96.410  $      2.295  $     0.0424        
6/26/05 5746 10.655 $24.50 53.0 Shell Fm Abilene (60 mph) $245.75 49.6 53.7 107.065  $      2.295  $     0.0428        
7/29/05 6127 6.424 $14.25 57.6 Chevron   $260.00 59.3 54.0 113.489  $      2.291  $     0.0424        
8/11/05 6458 5.524 $13.25 59.5 Chevron   $273.25 59.9 54.3 119.013  $      2.296  $     0.0423        
8/24/05 6824 7.328 $18.75 52.4 Chevron To Ft. Lee, 70mph, tires 42 psi $292.00 49.9 54.0 126.341  $      2.311  $     0.0428        
8/24/05 7060 5.187 $12.75 49.6 Shell To Ft. Lee, 70mph, tires 42 psi $304.75 45.5 53.7 131.528  $      2.317  $     0.0432        
8/25/05 7514 9.770 $25.00 49.1 Chevron To Ft. Lee, 70mph, tires 35 psi $329.75 46.5 53.2 141.298  $      2.334  $     0.0439        
8/25/05 7932 8.576 $21.00 49.2 Chevron To Ft. Lee, 70mph, tires 30 psi $350.75 48.7 52.9 149.874  $      2.340  $     0.0442        
8/26/05 8382 9.328 $23.50 49.4 Exxon To Ft. Lee, 70mph, tires 30 psi $374.25 48.2 52.7 159.202  $      2.351  $     0.0446        
9/1/05 8638 4.308 $12.75 50.2 Exxon Colonial Heights, VA, 42 psi $387.00 59.4 52.8 163.510  $      2.367  $     0.0448        
9/22/05 8960 6.682 $17.50 51.9 Raceway 6 min commute, VA $404.50 48.2 52.6 170.192  $      2.377  $     0.0451        
10/31/05 9268 6.251 $13.75 48.2 Raceway 6 min commute, VA $418.25 49.3 52.5 176.443  $      2.370  $     0.0451        
11/30/05 9636 7.877 $15.75 48.7 Raceway 6 min commute, VA $434.00 46.7 52.3 184.320  $      2.355  $     0.0450        
12/5/05 10076 8.044 $16.00 54.4 AAFES Trip to Fussell's $450.00 54.7 52.4 192.364  $      2.339  $     0.0447        
12/13/05 10312 6.530 $14.75 44.0 Raceway Tires at 35 psi $464.75 36.1 51.8 198.894  $      2.337  $     0.0451        
12/14/05 10641 5.443 $10.50 50.9 Hess To Ft. Bliss, 70mph $475.25 60.4 52.1 204.337  $      2.326  $     0.0447        
12/14/05 10951 7.504 $15.75 50.8 Chevron To Ft. Bliss, 70mph $491.00 41.3 51.7 211.841  $      2.318  $     0.0448        
12/15/05 11270 7.731 $17.00 45.2 Chevron To Ft. Bliss, 70mph $508.00 41.3 51.3 219.572  $      2.314  $     0.0451        
12/16/05 11710 9.725 $21.00 49.5 Philips 66 To Ft. Bliss, 65mph $529.00 45.2 51.1 229.297  $      2.307  $     0.0452        
12/16/05 12098 8.103 $17.25 47.6 Flying J To Ft. Bliss, 60mph $546.25 47.9 51.0 237.400  $      2.301  $     0.0452        
12/29/05 12591 8.338 $18.00 56.4 Chevron   $564.25 59.1 51.2 245.738  $      2.296  $     0.0448        
              - - - -  -   -         
Totals/Avg 12591 245.738 $564.25 52.8   $564.25 51.4 53.2 245.738  $      2.265  $     0.0426        
* Winter fuel months (10% ethenal)                  
  Road trip (outside of home state)            
                     
Calculations                    
Date Gallons Acc. Miles Total
Cost		 Agr MPG Cost Savings                  
Feb 05 - 19.0 0.000            
Feb 05 7.816 386.0 13.750 49.386  $             21.57                
Mar 05 9.200 528.0 31.500 53.714  $             34.76                
Mar 05 9.788 525.0 51.750 53.686  $             35.39            
Apr 05 9.558 515.0 73.000 53.737  $             37.04            
Apr 05 7.122 431.0 95.250 54.848  $             44.67            
May 05 7.772 431.0 118.500 54.940  $             41.00            
May 05 8.833 507.0 142.750 55.301  $             45.50            
May 05 9.438 453.0 162.750 54.310  $             29.07          
Jun 05 10.191 557.0 184.750 54.354  $             39.37          
Jun 05 6.367 352.0 198.750 54.423  $             25.44          
Jun 05 10.325 514.0 221.250 53.926  $             34.62          
Jun 05 10.655 528.0 245.750 53.491  $             37.14          
Jul 05 6.424 381.0 260.000 53.820  $             28.78          
Aug 05 5.524 331.0 273.250 54.103  $             26.92          
Aug 05 7.328 366.0 292.000 53.862  $             28.41          
Aug 05 5.187 236.0 304.750 53.532  $             16.55          
Aug 05 9.770 454.0 329.750 53.044  $             33.50          
Aug 05 8.576 418.0 350.750 52.798  $             30.71          
Aug 05 9.328 450.0 374.250 52.531  $             33.65          
Sep 05 4.308 256.0 387.000 52.712  $             25.03          
Sep 05 6.682 322.0 404.500 52.535  $             24.90          
Oct 05 6.251 308.0 418.250 52.419  $             20.77          
Nov 05 7.877 368.0 434.000 52.176  $             22.06          
Dec 05 8.044 440.0 450.000 52.281  $             28.99          
Dec 05 6.530 236.0 464.750 51.751  $             12.35          
Dec 05 5.443 329.0 475.250 51.983  $             22.22          
Dec 05 7.504 310.0 491.000 51.605  $             17.54          
Dec 05 7.731 319.0 508.000 51.241  $             18.74          
Dec 05 9.725 440.0 529.000 50.986  $             27.49          
Dec 05 8.103 388.0 546.250 50.880  $             24.95          
Dec 05 8.338 493.0 564.250 51.160  $             36.31          
- - - - -  -