PRESENTED BY:GEORGE C. MILLAR
DIRECTOR OF TRANSPORTATIONINDIAN RIVER COUNTY SCHOOL DISTRICT
AGENDA• Welcome• Opening Remarks• Overview of project• What was the decision process• Major issues to consider• Data Analysis• Recommendations
• Project Implementation• Questions
THE LPI
FUELTANK
MAJOR ISSUES TO CONSIDER•Pilot a cutting edge program• Wanted to try an alternate fuel to be a part of the Green Initiative• Pending new regulations, additives etc. were changing for 2010• Battery powered electric too expensive•Clean burning fuel
o Minimal impact to the environment•EPA requirements for emissions were met with Propane power• Capacity size was not affected• Quiet ride
Planning for Propane•Decided to look at 3 types of Routes to measure efficiency.
oBus 1 - Long Distance Route to neighboring County – Few stops oBus 2 - Inter-city run. Congested traffic/Frequent stops oBus 3 - A1A Corridor / Long Run – Moderate to Frequent stops
•Found that buses would need to refuel daily as each could travel for approximately 1 ½ days on a tank of fuel.
•Results were satisfactory overall, with the exception of miles per gallon.
•Fuel for buses is significantly less expensive.
DATA ANALYSISAN OVERVIEW OF DIESEL POWER / PROPANE POWER
AVERAGE MILES PER GALLON
6.32 5.92 6.53
DIESEL
4.73 3.36 4.18
PROPANE
1 2 3 1 2 3
COST OF FUEL PER GALLON2010/2011
DIESEL• AVERAGE COST PER GALLON
1/1/2010 – 12/31/2010$2.71
PROPANE• AVERAGE COST PER GALLON
1/1/2010 – 12/31/2010$1.87
• COST PER GALLON AS OF 2/4/2011
OPIS COST PER GALLON: $2.8563ROAD TAXES: $.31861 TOTAL: $3.17491
HATTIESBURG AVG-LP GAS AS OF 2/4/2011COST PER GALLON: $1.4935VENDOR SURCHARGE: $.47TOTAL: $1.9635
MPG 1/1/2010 - 12/31/2010
DIESEL CAT C-7 MERCEDES CUMMINS AVG FUEL COSTPER GAL
BUS 1 BUS 2 BUS 3
BEG MILEAGE 105661 42113 16700 $2.71
END MILEAGE 127877 64335 38819
TOTAL MILES 22216 22222 22119
TOTAL GALLONS 3514.7 3748.3 3386.3
AVERAGE MPG 6.32 5.92 6.53
PROPANE BUS 1 BUS 2 BUS 3 AVG FUEL COSTPER GAL
BEG MILEAGE 10699.3 10937.1 10346.8 $1.87
END MILEAGE 45161.5 25451.1 31607.6
TOTAL MILES 34462.2 14514.0 21260.8
TOTAL GALLONS 7282.1 4309.4 5075.3
AVERAGE MPG 4.73 3.36 4.18
DIESEL OVER LP AVG MPG
1.59 MPG 2.56 MPG 2.35 MPG
COST PER MILE
1/1/2010 -
12/31/2010
DIESEL
CAT C-7
BUS 1
MERCEDES
BUS 2
CUMMINS
BUS 3
OVERALLAVG COSTPER MILE
PROJECTED SAVINGS
OVERLIQUID
PEOPANE
AVG FUEL COSTPER GAL
AVG COST PER MILE
0.4287974 0.4577702 0.4150076 $0.433859 $0.0325626 $2.71
COST PERMILE
2/4/2011
BUS 1 BUS 2 BUS 3OVERALL
AVG COSTPER MILE
PROJECTEDSAVINGS
AVG COST PER MILE
0.5023591 0.5363023 0.4862036 $0.508306 $0.00 $3.17491
COST PER MILE 1/1/2010 - 12/31/2010
PROPANE BUS 1 BUS 2 BUS 3 AVG FUEL COSTPER GALLON
COST PER MILE-BOBTAIL 0.3953488 0.5565476 0.4473684 $1.87 BOBTAIL
AVERAGE COST PER MILE BOBTAIL 0.4664216
COST ABOVE DIESELPER MILE
BOBTAIL 0.0325626
COST PER MILE-TANK 0.2526427 0.3556547 0.2858851 $1.19 TANK
AVERAGE COST PER MILE TANK 0.2980608
PROJECTED SAVINGS TANK 0.1357982
COST PER MILE 2/4/2011
BUS 1 BUS 2 BUS 3 AVG FUEL COSTPER GALLON
COST PER MILE-BOBTAIL 0.4151162 0.5843751 0.4697368 $1.9635 BOBTAIL
AVERAGE COST PER MILE BOBTAIL 0.4897426
PROJECTED SAVINGS BOBTAIL 0.0185634
COST PER MILE-TANK 0.2724101 0.3834821 0.3082535 $1.2885 TANK
AVERAGE COST PER MILE TANK 0.3213819
PROJECTED SAVINGS TANK 0.1869241
PROS AND CONS OFPROPANE ENGINES
PROS• LOWER FUEL COST• NO ROAD TAXES• LESS EMISSIONS• SMALLER CARBON FOOT PRINT• LESS GREEN HOUSE GASES• POSSIBLE GRANT MONEY AVAILABLE• PROJECTING LONGER BRAKE LIFE DUE
TO LESS WEIGHT• EXCEEDS EPA REGULATIONS WITH NO
CHANGE• NO SHELF LIFE WITH PROPANE• TAX REBATES ON EACH BUS
PURCHASED• FUEL TANK REBATES CURRENTLY
AVAILABLE AT $.50/GALLON OF LP• MINIMAL INFRASTRUCTURE COST AND
SET UP
CONS• DISTANCE BUS CAN TRAVEL BETWEEN
FILL-UPS• LOWER MILES PER GALLON OF FUEL• OPTION CHARGE FROM
MANUFACTURER (MAY BE RETURNED AS A TAX CREDIT)
Propane Fuel Rebates
• Congress Has Authorized an Alternative Fuel Rebate of $.50 per Gallon for Propane if Facility Has Their Own Fueling Station
• Must Register with IRS – Form 637• File IRS Form 4136 Annually
Comparison of Engine RelatedRepairs and Maintenance
SURVEY WAS CONDUCTED WITH:• Sixteen 2009 Bluebird “Vision” buses• All were 71 passenger capacity• Comparison was done after 17 months of service• 13 buses were powered by Cummins Diesel Engines• 3 buses were powered by General Motors Propane Engines
SURVEY RESULTS ON ENGINE RELATED ISSUES:• Average cost per bus (includes oil and filter)
• Diesel Powered: $118.95• Propane Powered: $102.58
Number of Road Service Calls• Diesel Powered: 4• Propane Powered: 0
Mr. George C. MillarDirector of Transportation
School District of Indian River [email protected]
772-978-8816 or 772-978-8810 Office772-978-8824 Fax
5235 41st Street, Vero Beach, Fl 32967