‘Plugging In’ to Hybrid Technology Milwaukee County’s PHEV Utility Trucks Sustainability...
Transcript of ‘Plugging In’ to Hybrid Technology Milwaukee County’s PHEV Utility Trucks Sustainability...
‘Plugging In’ to Hybrid Technology
Milwaukee County’s PHEV Utility Trucks
Sustainability SummitMilwaukee, WIMarch 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 sites @ 800K gal/yr
Milwaukee County’s PHEV Utility Trucks March 6, 2013
PHEV Utility Trucks
• Delivered late 2011/early 2012• 4 bucket trucks w/ cranes• Used by Highway Maintenance• Driven > 24K miles in CY12• Maintained by Fleet Mgmt
Milwaukee County’s PHEV Utility Trucks March 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 Trucks March 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 Trucks March 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 Trucks March 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 Trucks March 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 Trucks March 6, 2013
Gordie BennettDirector, Office of [email protected]
Dan GoedenDirector, Fleet Management [email protected]
Contact Us
WCTP:wicleancities.org
milwaukeecounty.org/greenprint