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Date Miles Gallons Monthly MPG Monthly MPG Aggr Monthly Cost Avg Temp         (High, ºF) Avg Temp         (Low, ºF)   Prius Info:      
Jan 06 480 8.556 56.1 54.5 $19.50 60 30   Location: El Paso, TX        
Feb 06 449 8.486 52.9 52.9 $19.50 66 34   Fuel:   86 Octane        
Mar 06 210 3.202 65.6 56.4 $8.00 73 39   Oil:   3.7 Qt, Mobil 1 5w30 Synthetic      
Apr 06 854 15.059 56.7 56.6 $42.00 81 45   Tires:   Gdyr Integrity P185/65R15, 44 psi      
May 06 1010 18.578 54.4 55.7 $54.00 89 54      
Jun 06 2596 42.816 60.6 58.1 $118.75 97 64          
Jul 06 377 6.940 54.3 57.8 $20.75 97 68 Estimated Fuel Savings over mid-size vehicle      
Aug 06 2221 39.486 56.2 57.3 $114.25 94 67 $954.87      
Sep 06 1002 16.242 61.7 57.8 $41.00 90 61          
Oct 06 513 7.801 65.8 58.2 $17.00 81 49 Avg mid-size fuel economy: 21.4            
Nov 06 474 7.712 61.5 58.4 $16.50 68 37                    
Dec 06 688 11.826 58.2 58.3 $26.00 59 30 USAA Gas Rebate Savings:  $   21.63          
AVG 906   58.242   $41.44          
                 
Date Odometer Gallons Cost MPG
Shown		 Location Remarks Total
Cost		 MPG
Calc'd		 Yearly
MPG		 Total
Gallons		 Avg Cost/Gal Avg Cost/Mile    
1/1/06 12591         CY05 Close out              
1/20/06 13071 8.556 $19.50 57.7 Chevron   $19.50 56.1 51.3 8.556  $      2.279  $     0.0015    
2/28/06 13520 8.486 $19.50 59.7 Chevron   $39.00 52.9 51.4 17.042  $      2.288  $     0.0029    
3/30/06 13730 3.202 $8.00 59.2 Chevron   $47.00 65.6 51.5 20.244  $      2.322  $     0.0034    
4/11/06 14093 6.576 $17.75 58.3 Chevron Short trips $64.75 55.2 51.6 26.820  $      2.414  $     0.0046    
4/26/06 14584 8.483 $24.25 59.4 Chevron   $89.00 57.9 51.8 35.303  $      2.521  $     0.0061    
5/10/06 15091 9.154 $28.00 60.9 Chevron To Tucson, 40 psi, 60 mph $117.00 55.4 51.9 44.457  $      2.632  $     0.0078    
5/23/06 15594 9.424 $26.00 56.3 Chevron Rtn El Paso, 40 psi, head wind $143.00 53.4 52.0 53.881  $      2.654  $     0.0092    
6/19/06 16186 9.200 $25.75 66.5 Chevron psi 40 ð 44 $168.75 64.3 52.4 63.081  $      2.675  $     0.0104    
6/22/06 16570 5.958 $16.50 61.6 Chevron To Ft. Lee, VA, 60 mph $185.25 64.5 52.6 69.039  $      2.683  $     0.0112    
6/22/06 16979 7.316 $19.75 61.3 Chevron To Ft. Lee, VA, 60 mph $205.00 55.9 52.7 76.355  $      2.685  $     0.0121        
6/23/06 17338 6.674 $17.75 60.5 Chevron To Ft. Lee, VA, 60 mph $222.75 53.8 52.7 83.029  $      2.683  $     0.0128        
6/24/06 17740 6.471 $18.50 58.0 Chevron To Ft. Lee, VA, 60 mph $241.25 62.1 52.9 89.500  $      2.696  $     0.0136        
6/24/06 18190 7.197 $20.50 62.7 Chevron To Ft. Lee, VA, 60 mph $261.75 62.5 53.1 96.697  $      2.707  $     0.0144        
7/4/06 18567 6.940 $20.75 58.8 Shell Trip to Fussell's $282.50 54.3 53.1 103.637  $      2.726  $     0.0152        
8/15/06 18795 5.324 $15.00 46.5 Chevron Trips under 5 min to class $297.50 42.8 52.9 108.961  $      2.730  $     0.0158        
8/16/06 19392 9.755 $27.50 63.0 Chevron To Ft. Bliss, TX, 60 mph $325.00 61.2 53.2 118.716  $      2.738  $     0.0168        
8/17/06 19842 8.280 $24.50 61.2 Chevron To Ft. Bliss, TX, 60 mph $349.50 54.3 53.2 126.996  $      2.752  $     0.0176        
8/18/06 20329 8.930 $26.25 56.6 Chevron To Ft. Bliss, TX, 60 mph $375.75 54.5 53.2 135.926  $      2.764  $     0.0185        
8/21/06 20788 7.197 $21.00 58.0 Chevron To Ft. Bliss, TX, 60 mph $396.75 63.8 53.4 143.123  $      2.772  $     0.0191        
9/15/06 21375 9.261 $24.25 66.2 Chevron   $421.00 63.4 53.6 152.384  $      2.763  $     0.0197        
9/29/06 21790 6.981 $16.75 61.7 Chevron   $437.75 59.4 53.7 159.365  $      2.747  $     0.0201        
10/30/06 22303 7.801 $17.00 64.5 Chevron   $454.75 65.8 54.0 167.166  $      2.720  $     0.0204        
11/22/06 22777 7.712 $16.50 62.2 Chevron Gas from city Chevron $471.25 61.5 54.1 174.878  $      2.695  $     0.0207        
12/14/06 23194 7.506 $16.50 60.2 Chevron Very cold weather $487.75 55.6 54.1 182.384  $      2.674  $     0.0210        
12/28/06 23465 4.320 $9.50 58.7 Chevron   $497.25 62.7 54.2 186.704  $      2.663  $     0.0212        
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Totals/Avg 23465 186.704 $497.25 60.0   $497.25 58.4 52.8 186.704  $      2.639  $     0.0134        
* Winter fuel months (10% ethenal)                  
  Road trip (outside of home state)            
                     
Calculations                    
Date Gallons Acc. Miles Total
Cost		 Agr MPG Cost Savings Date Miles                
Jan 06 - 12591.0 0.000   Jan 06 480          
Jan 06 8.556 480.0 19.500 56.101  $             36.08 Feb 06 449            
Feb 06 8.486 449.0 39.000 54.512  $             32.88 Mar 06 210            
Mar 06 3.202 210.0 47.000 56.264  $             18.47 Apr 06 854        
Apr 06 6.576 363.0 64.750 56.003  $             31.41 May 06 1010        
Apr 06 8.483 491.0 89.000 56.454  $             45.89 Jun 06 2596        
May 06 9.154 507.0 117.000 56.234  $             49.17 Jul 06 377        
May 06 9.424 503.0 143.000 55.734  $             43.52 Aug 06 2221        
Jun 06 9.200 592.0 168.750 56.990  $             57.17 Sep 06 1002      
Jun 06 5.958 384.0 185.250 57.634  $             36.76 Oct 06 513      
Jun 06 7.316 409.0 205.000 57.468  $             35.64 Nov 06 474      
Jun 06 6.674 359.0 222.750 57.173  $             30.20 Dec 06 688      
Jun 06 6.471 402.0 241.250 57.531  $             38.93          
Jun 06 7.197 450.0 261.750 57.903  $             43.57          
Jul 06 6.940 377.0 282.500 57.663  $             35.42          
Aug 06 5.324 228.0 297.500 56.938  $             17.13          
Aug 06 9.755 597.0 325.000 57.288  $             56.68          
Aug 06 8.280 450.0 349.500 57.096  $             41.90          
Aug 06 8.930 487.0 375.750 56.928  $             45.16          
Aug 06 7.197 459.0 396.750 57.272  $             45.84          
Sep 06 9.261 587.0 421.000 57.644  $             53.03          
Sep 06 6.981 415.0 437.750 57.723  $             33.63          
Oct 06 7.801 513.0 454.750 58.098  $             40.01          
Nov 06 7.712 474.0 471.250 58.246  $             35.30          
Dec 06 7.506 417.0 487.750 58.136  $             30.21          
Dec 06 4.320 271.0 497.250 58.242  $             20.87          
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