Green Operations

Making the Business Case for Alternative-Energy Vehicles

May 2012, Green Fleet Magazine - Feature


It is a vexing quandary for any fleet manager considering alternative-energy powered vehicles. How does one make a solid business case to support the higher acquisition cost of these advanced-technology vehicles, particularly with a fixed fleet capital budget?

Electric-powered vehicles can answer the long-term certainty of rising and continually volatile fuel prices as well as meet growing corporate sustainability concerns. Yet, today’s fleet manager must contend with the dilemma, “Does embracing these new technologies mean purchasing fewer replacement vehicles each cycle?”


The staff at Midland, Mich.-headquartered Dow Kokam have been working on resolving the conundrum. The company, which develop

s and manufactures technologically advanced battery solutions to power the next generation of plug-in hybrid (PHEVs) and battery-electric vehicles (BEVs), has created a flexible, easy-to-use tool to help calculate total cost of ownership (TCO) for these vehicles, according to Mira Inbar, senior marketing manager for commercial business.

Established in 2009, Dow Kokam is owned by the Dow Chemical Company, TK Advanced Battery LLC, and the French firm Groupe Industriel Marcel Dassault. Dow Kokam partners with OEMs to integrate its lightweight lithium-ion battery systems into light-, medium-, and heavy-duty vehicles and trucks, and also works with commercial, municipal, and utility fleets to determine the economic feasibility of operating the alt-powered vehicles.

Considering Hard & Soft Costs
An accurate TCO calculation accounts for a fleet vehicle’s hard and soft costs, as well as the specific details of its work cycle, according to Inbar. Hard costs include acquisition price, replacement value, fuel, depreciation, and maintenance. Soft costs cover factors more difficult to quantify, such as productivity, down time, safety, and efficiency.

“There is no one-size-fits-all technology for every fleet that offers payback,” Inbar said. “The technology must fit the vehicle’s work cycle, and the most effective TCO model accommodates all work cycle details.” These details include such factors as:
● Vehicle function.
● Hours of operation.
● Route terrain and environment.
● Cargo load.
● Type of route: how often the vehicle
 stops and starts.
● Idling time.
● Number of daily returns to the
warehouse, service center, depot, etc.

Identifying Payback Point
A “robust, adaptable-ready” tool that calculates lifecycle costs upfront and across vehicle types and functions, the Dow Kokam TCO model identifies the break-even point between conventional and advanced vehicle-power technologies, according to Inbar.

“All fleets want to manage their costs effectively. They want to be able to define the vehicle payback on lifecycle costs,” she added. The lack of accurate data on advanced-power technologies has hampered good business decision making regarding their implementation in fleets.

Working with an outside benchmarking data company, Dow Kokam developed its TCO model over six months, collecting and analyzing data across 18 vehicle types in all fuel-power categories — gasoline, diesel, PHEVs, and BEVs.

In addition, input from 10 of the top U.S. fleets was sought to ensure the TCO model covered all industry and utilization perspectives. Finally, Dow Kokam also established a Fleet Advisory Council to “weigh in on the model development,” Inbar said.

She also noted that the model is continually refined as more data becomes available from increased numbers of electric-powered vehicles on the road.

The Dow Kokam TCO model categorizes 10 fleet types (including commercial, delivery, beverage, and refuse) and lists 18 vehicle types, from four-door sedans and light-duty vehicles to medium-duty delivery vans and refuse trucks.

“We work with individual fleets to go through their particular vehicle composition. Using our model for every type of fleet vehicle and work cycle, we find the TCO to answer the question, ‘At what point do the operating cost and the acquisition cost break even? ’ ” Inbar explained.

Again, she emphasized, no technology will provide payback unless it matches the duty cycle as closely as possible.

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