6. Data Analysis Full tank MPG with block heater (lasted 5 days): 24.9 mpg Full tank MPG without block heater (barely lasted 5 days): 22.7 mpg Approximate weekly mileage: 321 miles Gallons used per week using block heater and remote starter: 12.9 gal Gallons of gas used per week warming up without block heater: 14.1 gal Gallons of gas saved per week using block heater: 1.2 gal Projected dollar amount saved per week using block heater (at $3.49/gal): $4.19 Projected dollar amount saved per winter (October-April) using block heater: $117.26 Projected gallons of gas saved per winter (October-April) using block heater: 30.8 gal Vehicle Winter MPG without block heater Winter MPG with block heater 1998 Ford Excort (4-cyl) 22.3 24.9 2000 Toyota Tacoma (6-cyl) 15.7 N/A 2002 Honda CBR600 F4i 41 (Spring/Summer) N/A