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Developing an Alternative Fuels Fleet: Middlesex County (NJ) Experience. Middlesex County Department of Transportation May 2007. Alternative Fuel Vehicles. Hybrid Sedans Hybrid Sport Utility Vehicles Bio-diesel Trucks. County Commitment to Change.
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Developing an Alternative Fuels Fleet: Middlesex County (NJ) Experience Middlesex County Department of Transportation May 2007
Alternative Fuel Vehicles • Hybrid Sedans • Hybrid Sport Utility Vehicles • Bio-diesel Trucks
County Commitment to Change • Middlesex Freeholder Board commits to goal of 10% of all new vehicles being hybrid (January 2004) • Delivery of first 5 hybrid sedans (July 2004) • Delivery of 22 hybrid SUV and two sedans (March 2006) • Order of 7 hybrid sedans (January 2007) • Budgeted for 3 hybrid sedans, 1 SUV for 2007
Why Go Hybrid? • Reduce total cost of vehicle operation • Reduce total fossil fuel consumption • Reduce air pollutant emissions • State hybrid vehicle purchase rebate program • County $500 hybrid vehicle rebate program
Toyota Prius Annual Depr: $2995 MPG: 48 Fuel($1.75) $547 Fuel($2.50) $781 Total($1.75) $3542 Total($2.50) $3776 Dodge Stratus Annual Depr: $2398 MPG: 17 Fuel($1.75) $1544 Fuel ($2.50) $2205 Total ($1.75) $3942 Total ($2.50) $4603 2005 Cost Comparison: Toyota Prius vs Dodge Stratus
Ford Escape Annual Depr: $4164 MPG: 33 Fuel ($1.75) $795 Fuel ($2.50) $1136 Total ($1.75) $4959 Total ($2.50) $5300 Jeep Liberty Annual Depr: $3176 MPG: 17 Fuel ($1.75) $1544 Fuel ($2.50) $2205 Total ($1.75) $4720 Total ($2.50) $5381 2006 Cost Comparison: Ford Escape vs Jeep Liberty
Toyota Prius Miles: 19,686 Gallons: 453.7 MPG: 43.4 Total Vehicles: 6 Ford Escape SUV Miles: 88,270 Gallons: 3964 MPG: 22.3 Total Vehicles: 22 1st Quarter 2007 Hybrid Performance
Greenhouse Gas Tons/Year • 2005 Toyota Prius 3.4 • 2005 Dodge Stratus 7.8 • 2006 Ford Escape 6.0 • 2006 Jeep Liberty 9.5
EPA Air Pollution Score • 2005 Toyota Prius 9.5 • 2005 Dodge Stratus 3.0 • 2006 Ford Escape 9.5 • 2006 Jeep Liberty 6.0
Middlesex County Sedan and Light Truck Fleet Mix • Total Vehicles in 2006: 664 • Total Hybrid Vehicles in 2006: 29 • Total Hybrid Vehicles on Order: 7 • Total 2007 Vehicles to be Purchased: 35 • Total 2007 Hybrids to be Purchased: 4 • Projected 2007 Hybrid % of Fleet: 6%
Bio-Diesel Demonstration • Purchased 1000 gallon tank • Purchased 80/20 diesel/bio mix • Operated 7 Diesel Dump Trucks • State rebate covers difference between bio-diesel and diesel fuel cost per gallon
1st Quarter 2007 Results • Miles Driven 8815 miles • Gallons 1968 gallons • Cost per gallon $2.16 • Total Cost $4251.00 • Bio-diesel MPG 4.47 • Diesel Cost/Gallon $1.94 • Past MPG 8
Conclusions • The case for hybrid is stronger for sedans than for SUV • The case for hybrids is stronger as fuel cost per gallon increases • Bio-Diesel at 80% diesel mix is not going to save money but no maintenance issues • Alternative fuels will reduce pollution regardless of the cost scenarios