What is AFLEET?
AFLEET, or the Alternative Fuel Life-Cycle Environmental and Economic Transportation tool, was developed by Argonne National Laboratory by request of the Clean Cities program to examine the environmental and economic costs and benefits of alternative fuels and advanced vehicles. It allows for Clean Cities stakeholders to estimate petroleum use, greenhouse gas emissions, air pollutant emissions, and cost of ownership of light-duty and heavy-duty vehicles using simple spreadsheet inputs.
How Does it Work?
AFLEET uses data from Argonne’s Greenhouse gases, Regulated Emissions, and Energy use in Transportation (GREET) fuel-cycle model to look at petroleum use and greenhouse gas emissions in fleets and vehicle types through their life cycle. It also uses data from the Environmental Protection Agency’s (EPA) MOtor Vehicle Emission Simulator (MOVES) to calculate tailpipe emissions from vehicles. It additionally uses various sources to provide default cost data, including the Clean Cities Alternative Fuel Price Report and American Recovery and Reinvestment Act awards.
What’s New This Year?
- Added diesel in-use emissions multiplier sensitivity case
- Added well-to-pump air pollutants and vehicle cycle petroleum use with greenhouse gases, and air pollutants
- Added renewable diesel vehicles
- Added low-NOx engine option for CNG and LNG heavy-duty vehicles
- Added Idle Reduction Calculator to estimate the idling petroleum use, emissions, and costs for light-duty and heavy-duty vehicles
- Updated biofuel and RNG feedstocks
How can AFLEET Help You?
You can use the AFLEET tool to assess your fleet and look at potentially switching over to alternative fuels. It has all sorts of calculators and input sheets that allow to you enter your fleet data to calculate your current costs and emissions as well as if you were to switch fuel sources. It has a simple payback calculation that estimates the amount of time in years it takes to breakeven during a switch to an alternative fuel source. This will allow you to see how switching to an alternative fuel vehicle will benefit you economically in the long run. It also has a similar option for comparing vehicle emissions between traditional fuels and alternative fuels.
With the new update you can look at petroleum use, greenhouse gasses, and air pollution from vehicle production, giving you a better understanding of the life cycle of your fleet. You can also now evaluate how engine idling is affecting your fleet, which is harmful due to vehicle emissions, yet also hurts you economically through wasted fuel. By using this new tool, you can see how much engine idling is costing you.
For more information on AFLEET and how it can be beneficial for you, please contact Greater Lansing Area Clean Cities at (517) 393-0342, or email Jeremy Orr at email@example.com.
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