‘Plugging In’ to Hybrid Technology Milwaukee County’s PHEV Utility Trucks Sustainability Summit Milwaukee, WI March 6, 2013 Presented by: Gordie Bennett

Fleet Management Part of Co. Dept of Transportation Headed by Dan Goeden 27 technicians Maintain and manage: –2700 vehicles and equipment –4 fueling 800K gal/yr Milwaukee County’s PHEV Utility TrucksMarch 6, 2013

PHEV Utility Trucks Delivered late 2011/early bucket trucks w/ cranes Used by Highway Maintenance Driven > 24K miles in CY12 Maintained by Fleet Mgmt Milwaukee County’s PHEV Utility TrucksMarch 6, 2013

Our Trucks Made by Deuco and Odyne Purchased 2 x 40-ft, 2 x 60-ft Chassis by Kenworth 35kWh Li-Ion battery system Redundant power for hydraulics Retro-fit capable Milwaukee County’s PHEV Utility TrucksMarch 6, 2013

Battery Charging Two 208-volt chargers Charge overnight as needed Electricity use metered Costs ~$2.25 per 95% charge Milwaukee County’s PHEV Utility TrucksMarch 6, 2013

Costs & Funding $1.2 M total; $400K thru WCTP Previous trucks due for replacement County bought trucks WCC supported hybridization: –Batteries –Hybrid motors –Charging station Milwaukee County’s PHEV Utility TrucksMarch 6, 2013

Benefits Improved fuel efficiency: –Nearly 50% higher mpg –Avoided $34K/yr in fuel costs Reduced idling and noise: –Engine not needed for hydraulics –Cabs heated/cooled with batteries Hedge against fuel cost increases Positive buzz and PR for County Milwaukee County’s PHEV Utility TrucksMarch 6, 2013

Lessons Learned Special reqs may delay delivery Build charger costs into estimates Techs need training on O&M Added weight -> slower acceleration Milwaukee County’s PHEV Utility TrucksMarch 6, 2013

Gordie Bennett Director, Office of Sustainability Dan Goeden Director, Fleet Management Contact Us WCTP: wicleancities.org milwaukeecounty.org/greenprint