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Lawn Mower Exchange Program Calculator

Calculator for Determining Potential Emission Reductions and Costs Associated with a Lawn Mower Exchange Program

Enter the required information into the following tables and press the Calculate button. Estimated emissions and costs will appear in the tables at the bottom of this page.

Enter the number of lawn mowers you think exist in your area for each model year range.
  pre-1995 1995-1999 2000+
2-stroke engines
4-stroke

Enter the number of lawn mowers you wish to remove from service and replace with electric or reel mowers.
  pre-1995 1995-1999 2000+
2-stroke engines
4-stroke

Enter the number of lawn mowing days in your area*:  
*Assume 1.5 hours of mowing each day lawn-mowing activity occurs.

Enter the percentage of alternative mowers you wish to use to replace gas mowers
  Percentage
Electric: %
Reel: %



Average Daily Emissions from Existing Lawn Mower Population (tons/day)
  HC* CO NOx PM
2-stroke engines
4-stroke engines
*HC=Hydrocarbons


Potential Daily Emission Reductions from Removal of Gas-Powered Lawn Mowers from Service (tons/day)
  HC CO NOx PM
2-stroke engines
4-stroke engines


Total cost to purchase alternatives to gas mowers.
  Total Cost
Electric
Reel
Total Cost

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