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Clean Air FAQs

Grassroots Neuton


How much lawn is there in America?

How long do Americans mow?

How much gasoline do gas mowers user?

Does all that go into the tank?

How much pollution does that cause?

What types of pollutants come from gas mowers?

What about noise pollution from gas mowers?


How much lawn is there in America?
The total area of lawn in America is about 28 million acres (an area the size of Pennsylvania) with three-quarters or 21 million acres in home lawns (with the average size of one third of an acre).


How long do Americans mow?
The average homeowner spends 25 hours per year mowing their lawn. Americans spend more than three billion hours per year using lawn and garden equipment.


How much gasoline do gas mowers use?
Lawn mowers use 800 million gallons of gas per year.


Does all that gas go into the tank?
Each year, more than 17 million gallons of fuel are spilled during the refueling of power lawn and garden equipment. That fuel seeps into our soil and groundwater.


How much pollution does that cause?
Gas-powered lawn equipment produces as much as one-tenth of the smog-forming pollutants from all mobile sources. The average gas mower produces as much air pollution in one year as 43 new cars driving 12,000 miles each.


What types of pollutants come from gas mowers?
The average gas mower will spew 87 pounds of the greenhouse gas carbon dioxide (CO2) into the air you breath each year. Today's small engines emit high levels of carbon monoxide, a colorless, odorless, poisonous gas. They also emit hydrocarbons and nitrogen oxides, pollutants that contribute to the formation of ozone.

Using the Environmental Protection Agency's Non-Road Emissions Model, a gas mower used for 25 hours will emit the following each year:

87 pounds of CO 2 — the greenhouse gas Carbon Dioxide
48 pounds of CO — the poison Carbon Monoxide
5.6 pounds of VOC — Volatile Organic Compounds
0.25 pounds of NO x — Nitrogen Oxides
0.02 pounds of SO 2 — Sulfur Dioxide
0.02 pounds of PM — particulate matter linked to heart disease and lung cancer


What about noise pollution from gas mowers?
In addition to air, water and soil pollution, gas mowers also contribute to noise pollution.

"A typical gas-powered mower is 85 to 90 decibels for the operator. If you are using an average gas-powered mower, unless you can finish the job in 15 minutes and spend the rest of the day in peace and quiet, you should be wearing earplugs."