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"'APPENDIX D° fI mir.-sOrA r.IIERGY AGENCY <br />PROPANE , <br />RIFT AUTO CONVERSION COSTS <br />Direct Conversion Costs <br />p!'I. auto <br />number of autos <br />total cost <br />, <br />9O0 <br />x 5 <br />$4,500.00 parts <br />600 <br />x 5 <br />3,000.00 labor <br />1500 <br />10 <br />$7,500.00 total <br />conversion cost <br />Assumptions <br />30,000 miles/yr. <br />10% lower rpg <br />$ .70 per gallon propane <br />2 <br />$ 1.20 pek gallon rotor gasolin: <br />- bulk propane and gasoline price <br />- all federal, state, taxes <br />- dealer margin <br />- no storage, metering, other propane dispensing cost <br />- motor gasoline and propane prices remain constant <br />$ 1.20 motor gasoline $ .70 propane <br />17 mpg 15.3 mpg <br />$ .96 cost/100,000 btu $ .76 cost/100,000 btu <br />30,000 x 5 = 150,000 mile/yr <br />1,765 x 5 - 8,825 gallon/yr <br />$10,590.00 annual fuel cost <br />Annual Savings <br />Discounted Payback (discounted 5% annually) <br />30,000 x 5 - 150,000 miles/yr <br />1,961 x 5 - 9,805 gallons/yr <br />$6,863.50 annual fuel cost <br />$3,726.50 annual fuel savings <br />first year <br />first year 3,726.50 <br />second year 3,540.17 <br />$7,267.00 - $7,000.00 = $ 267.001 <br />(2 year payback) - (conversion costs) = Savings for fleet of 5 automobiles <br />IPayback estimates do not include propane storage costs. <br />2Bulk prices of $1.20 motor gasoline and $.70 profane tax included. <br />a <br />