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

2005 Cost Comparison: Toyota Prius vs Dodge Stratus 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

2006 Cost Comparison: Ford Escape vs Jeep Liberty 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

1 st Quarter 2007 Hybrid Performance Toyota Prius Miles: 19,686 Gallons: MPG:43.4 Total Vehicles: 6 Ford Escape SUV Miles: 88,270 Gallons: 3964 MPG: 22.3 Total Vehicles: 22

Greenhouse Gas Tons/Year 2005 Toyota Prius Dodge Stratus Ford Escape Jeep Liberty9.5

EPA Air Pollution Score 2005 Toyota Prius Dodge Stratus Ford Escape Jeep Liberty6.0

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

1 st Quarter 2007 Results Miles Driven8815 miles Gallons 1968 gallons Cost per gallon$2.16 Total Cost$ Bio-diesel MPG4.47 Diesel Cost/Gallon$1.94 Past MPG8

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