Commitment to Responsible Fleet Operation 1997 Joins Cities for Climate Protection 1999 One of the founding members of Ann Arbor Clean Cities Coalition 2000 City Council forms the Green Fleet Committee to write a policy for Fleet purchases and operation 2003 City purchases the first CNG powered dump truck in the US to be used in a municipal fleet 2004 Green Fleet Policy adopted by City Council Policy Includes:  10% Reduction in Gasoline and Diesel use by 2012  Mandate to Increase Fleet Fuel Economy  Reduce CO, CO 2, and NOx emissions  Increase the use of alternative fuel and advanced technologies  20% “Green Incentive” for the purchase of Green Vehicles and Equipment 2005 Mayor’s Energy Challenge- City to use 30% Green Energy for municipal operation by City purchases four of the first Hydraulic Hybrid trucks sold in the US for it recycling operation 1997 Joins Cities for Climate Protection 1999 One of the founding members of Ann Arbor Clean Cities Coalition 2000 City Council forms the Green Fleet Committee to write a policy for Fleet purchases and operation 2003 City purchases the first CNG powered dump truck in the US to be used in a municipal fleet 2004 Green Fleet Policy adopted by City Council Policy Includes:  10% Reduction in Gasoline and Diesel use by 2012  Mandate to Increase Fleet Fuel Economy  Reduce CO, CO 2, and NOx emissions  Increase the use of alternative fuel and advanced technologies  20% “Green Incentive” for the purchase of Green Vehicles and Equipment 2005 Mayor’s Energy Challenge- City to use 30% Green Energy for municipal operation by City purchases four of the first Hydraulic Hybrid trucks sold in the US for it recycling operation

Business Case for Hydraulic Hybrids System uses existing technology in a new way – Hydraulic pumps and motors Trucks ability to continue operations in the event of system failure 15% premium over standard trucks Grant funds from the CEC will cover 100% of “premium” for hybrid system Estimated 25% fuels savings Estimated doubling of brake lining life System uses existing technology in a new way – Hydraulic pumps and motors Trucks ability to continue operations in the event of system failure 15% premium over standard trucks Grant funds from the CEC will cover 100% of “premium” for hybrid system Estimated 25% fuels savings Estimated doubling of brake lining life

Estimated Cost Savings Fuel savings of 740 gallons per truck – Times 4 trucks = 2960 gallon per year – Estimated cost savings over 10 year life $73, Reduced maintenance cost – Brake changes increase to every 4 years – Estimated savings of $6, per truck over its service life – Times 4 trucks = $24, TOTAL SAVINGS OVER LIFE OF TRUCKS $97, Fuel savings of 740 gallons per truck – Times 4 trucks = 2960 gallon per year – Estimated cost savings over 10 year life $73, Reduced maintenance cost – Brake changes increase to every 4 years – Estimated savings of $6, per truck over its service life – Times 4 trucks = $24, TOTAL SAVINGS OVER LIFE OF TRUCKS $97,125.00