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schecl distriet is considaring ordering 52 prepano-fuelod school buses \"Thay\'r

ID: 389844 • Letter: S

Question

schecl distriet is considaring ordering 52 prepano-fuelod school buses "Thay're heatmier thayre deaner buming and ther're much auter thn e die Propane-powened buses also reduce han the desel equivaient geenhouse gasses by 20% compared to gasoirep weed tses and 7% compare todiese ow. But hey co eatap orri nmde sta oo mom i The propare bus operating cost (above and beyond tuel cost) is 27 he propane model vs. 12 mpo for diesel. The life of a school bus in the district averages beter choice based on a life-cydle analysis? el oosts about $5/galion in Geargia, about $1 more than propane.Bus mileage is 13 mpa for a years, and each bus trevels an average of 33,000 miles per year because the district is so large and nural. Which bus is the The toral cost of using one peopane-fusied bus during its ife cycle is s(ound your response to the nsaret o)

Explanation / Answer

Fuel cost per mile for propane buses

= Price of Propane per Gallon / Mileage given by Propane per Gallon

= $4/ 13

= 0.3076 $/ mile

= 30.76 cents / mile

Fuel cost per mile for Diesel buses

= Price of diesel per Gallon / Mileage given by diesel per Gallon

= $5/12

= 0.4166 $/ mile

= 41.66 cents/ mile

Operating cost / mile for propane buses = 27 cents

Operating cost / mile for diesel buses = 36 cents

Therefor, fuel plus operating cost per mile for Propane buses = 30.76 cents/ mile + 27 cents/ mile = 57.76 cents/ mile

Fuel plus operating cost per mile for diesel buses = 41.66 cents / mile + 36 cents/ mile = 77.66 cents / mile

Total distance travelled by a Propane bus in a year = 33,000 miles/ year x 8 years = 264,000 mile

Therefore .

Total fuel and operating cost of one propane fuelled bus during the life cycle

= 57.76 cents/ mile x 264,000 miles

= 15248640 cents

= $152486.40

Purchase price for a propane bus = $95,000

Therefore ,

Total cost of using one propane fuelled bus during its life cycle

= Fuel and operating cost during life cycle + purchase coat

= $152486.40 + $95,000

= $247486.40 ( $247486 rounded to nearest whole number )

The total cost of using one propane fuelled bus during its life cycle is $ 247486

The total cost of using one propane fuelled bus during its life cycle is $ 247486