Table 1 displays the selected vehicles' performance data being used for this example. His other trips, taken over the weekends and on his three vacation weeks, amount to 4,000 miles with 50% of that done on the highway. Twenty-five percent of this driving is done under highway conditions and the rest is city driving. He normally drives about 34 miles per day for 5 days per week and does this for 49 weeks per year. A flex fuel vehicle (FFV), which costs $28,500 and gets a gasoline city/highway fuel economy of 20/28 mpg and 14/20 mpg when operating on E85.A plug-in hybrid electric vehicle (PHEV), which costs $32,500 and gets 42 mpg city and 38 mpg highway when operating on gasoline and uses 360 Watt-hours per mile (Wh/mi) when operating on electricity in the city and on the highway.A hybrid electric vehicle (HEV), which costs $28,200 and gets 36 mpg in the city and 34 mpg on the highway.He has narrowed his choices down to three vehicles: Joe Blough lives in Denver, Colorado and he is in the market for a new car. This section describes how the results are calculated, the assumptions made, and what underlying data are used. This section captures the percent of time a user plans to use biodiesel (B20 or B100) in the selected diesel-fueled vehicles.īack to Top Cost and Emissions Calculations If a plug-in hybrid is chosen, the user can select how often they plan to charge the vehicle. This is needed to determine the greenhouse gases (GHG) emitted when generating the electricity in that area because each fuel in the mix has its own GHG emissions factor. If the user has selected a vehicle capable of recharging from the electric grid - namely, a plug-in hybrid electric vehicle or an all-electric vehicle - the user may supply the state where the vehicle is most often charged to determine the fuel mix (coal, natural gas, oil, etc.) used to generate the electricity in the user's area.
#NAMELY ALTERNATIVE DRIVER#
This section captures the percentage of time a driver plans to use E85 in the selected flexible fuel vehicle. highway driving.įor plug-in hybrid vehicles, the tool assumes that the vehicle will travel the city portion of this distance using electricity, and the highway portion of this distance using gasoline. The user may modify the distance and the percentage of city vs. The supplied value for distance is again taken from U.S. This section captures information about typical weekend driving and longer trips. Any distance in excess of this amount will be assumed Much of the driving distance can be done using electricity, given theįrequency of charging, assuming that the vehicle will be fully charged each Will be recharged in the Electricity Use box. The vehicle is used in this manner, and how much of this driving is done in city vs.įor plug-in hybrid vehicles, the user can select how often the vehicle The user enters average daily driving distance, how many days per week and weeks per year Repeating usage pattern, for example, commuting to and from work or school or running errands. This section captures information about the driver's daily, The user may tailor this information to his or her situation by modifying the supplied values: Value averages reported by the Summary of Travel Trends, 2001 National Household Transportation Survey. The default values provided in this section are derived from U.S. This is especially important for plug-in hybrid vehicles, which operate using both gasoline and electricity from the grid. To accurately calculate fuel costs for selected vehicles it is important to know how a user drives and how much of the vehicle's total mileage is driven using each fuel type.
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The user may change the fuel price to reflect local prices. The prices are based on a national average, as reported in the quarterly Alternative Fuel Price Report. The user may override theĭefault price to better reflect the particular model of choice.įor some models, a single price is available.Īs each vehicle is selected, the fuel type and price is shown below the selected vehicles. Prices, and use the low price as the default value. For these vehicles, we present the possible low and high For more information, see these sections below:Ī user selects vehicles to compare by model year, make, and model.įor each vehicle selected, the calculator retrieves theĬity and highway fuel economy from the database licensed fromįor most vehicles, a range of prices is possible depending on what options The Vehicle Cost Calculator is a high-level screening tool that compares the ownership costs and greenhouse gas emissions among alternative fuel vehicles, advanced technology vehicles, and conventional vehicles currently on the market. Vehicle Cost Calculator Assumptions and Methodology
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