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Mow Down Pollution – Facts & Info
A gasoline-powered lawnmower run for an hour puts out about the same amount of smog-forming emissions as 40 new automobiles run for an hour.
California Environmental Protection Agency, Air Resources Board. May 20, 1999
Each summer weekend, about 2.7 million Canadians mow their lawns, using 40 million gallons of gasoline a year.
Environment Canada, One-Tonne Challenge, 2005
Running your gas powered lawnmower for one hour is equal to driving a new car for almost 500 kilometres.
Environment Canada
Lawn and garden equipment users in California spill 17 million gallons of fuel each year while refilling their outdoor power equipment.
A typical 3.5 horsepower gas mower... can emit the same amount of VOCs – key precursors to smog – in an hour as a new car driven 340 miles (540 km), say industry experts.
South Coast Air Quality Management District. "Clean Air Lawn Care".  California, USA. March 31, 1996
The energy cost for an electric mower is typically no more than $5.00 per year.

Solar- powered lawnmowers are available and effective. They produce no emissions, they are significantly quieter, the energy is free and you save money by avoiding the upkeep of a conventional motor.

Cordless electric mowers offer noise levels about half those of their gas-powered counterparts.
Push reel mowers available today are light weight at only 16 to 30 pounds versus the 40 to 60 pound models of the past.
Mulching clippings into the lawn instead of bagging, saves on average 25% to 30% of the time spent on conventional mowing.
Asthma, lung cancer, cardiovascular disease, allergies and many other human health problems have been linked to poor air quality.
Environment Canada “Health, Environment and the Economy”
It is best not to mow your lawn with a gas mower on hot summer days, especially when there is a Smog Alert.
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