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<br />Electric Vehicle Transition Plan & Charging Infrastructure Evaluation for County Fleet <br />Price Proposal <br />RFQ 367-OC5463 <br />December 23, 2025 <br /> <br />Use or disclosure of data contained on this sheet is subject to the restrictions on the title page of this proposal 4 <br /> <br />1.2 EV Replacement Recommendation: Leveraging outcomes of <br />fleet rightsizing analysis as well as other information collected on the <br />fleet vehicles, ICF will employ our in-house fleet assessment model <br />(also known as PowerGuide Analytics) to analyze the County’s <br />fleets, characterize their operations, and develop tailored recommendations for the transition of fleet <br />vehicles to EVs (Exhibit 3). ICF’s PowerGuide is a robust tool, developed and refined over time for use <br />with multiple municipal and fleet clients. Originally developed for our partnership with our extensive utility <br />programs, ICF has continued to improve the tool and the supporting data embedded in th e model to assist <br />almost 200 clients, including more than 100 municipalities, as they developed plans for transitioning their <br />vehicles, including their specialty vehicles, to EVs. Included in the PowerGuide Analytics is a <br />comprehensive database of over 600 EV models comprising BEV and PHEV options for light -duty and <br />MD/HD vehicles. This extensive database enables the ICF team to deliver highly customized fleet transition <br />recommendations. By using this unique database, the ICF team will conduct an overview of currently <br />available and forthcoming BEVs and PHEVs that could potentially replace the vehicle types currently used <br />by the County. The ICF team also has a separate database for fuel cell EVs which it will use for vehicles <br />where cost-effective EV options might not be available. ICF’s EV model library is updated monthly to <br />capture the latest EV models available and changes to equipment attributes and pricing. <br />Exhibit 3. ICF’s PowerGuide Analytics Fleet Transition Modeling Process <br /> <br />Using the PowerGuide Analytics, the ICF team will deliver key recommendations at a vehicle-by-vehicle <br />level and a fleet level. Outputs of the model will include the <br />following: <br />• Recommended zero emission technologies (battery <br />electric, plug-in hybrid, and fuel cell vehicles) <br />• Recommended EV replacement makes and models <br />• Total cost of ownership (TCO), including the upfront <br />and lifecycle vehicle costs <br />• Identification of vehicle types that are least viable for <br />conversion <br />• Recommended replacement years <br />• A fleetwide phased vehicle replacement schedule <br />Docusign Envelope ID: 2559C90D-4549-45D0-8554-7958990EE7B9