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ECONOMIC ANALYSIS
Total savings per vehicle for the first year: $1,785.72
Total Savings per Vehicle after the first year: $3,185.72
Based on the following... 1 vehicle	36,000 miles per year 18 miles/gallon with gasoline 14 miles/gallon with propane
Vehicles on Gasoline: above assumptions translates to 2,000 gallons of gasoline per year per vehicle.
At $4.10 per gallon =	$8,200 fuel cost per vehicle per year.
Vehicles on Propane: above assumptions translates to 2,571.4 gallons of propane per year per vehicle.
At $2.45 per gallon =	$6,300 fuel cost per vehicle per year.
Propane cost to operate per vehicle…. $6,300.00
Less $.50/gallon federal excise tax credit x 2571.43 = $1,285.72
Actual cost to operate vehicle on propane =	$5,014.28 Note: does not include savings from maintenance, parts, reduced theft, etc.
Annual savings per vehicle/year = $3,185.72
COST PER SYSTEM System: $2800.00 to $3600.00 (system cost changes with engine size) Install system……….$1500.00 Propane cylinder……$1,100.00 to $1,375.00 (cylinder cost change with size) Cost of conversion….$5400.00 to $6475.00 Illinois Alternate Fuels Rebate $4000.00 Total cost of conversion $1,400.⁰⁰ to $2,475.⁰⁰
TIME TO RECOUP INVESTMENT Annual savings per vehicle $3,185.72 /12 months = $265.48 cost saving per month. Total cost of system $1400.00 /cost savings per month $265.48 = 6 months to recoup the cost.
TOTAL SAVINGS FIRST YEAR PER VEHICLE: $1,785.72
TOTAL SAVINGS PER VEHICLE AFTER FIRST YEAR: $3,185.72