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Types of pollution emitted by gas lawn mowers...Lawn mowers produce several types of pollutants, including polycyclic aromatic hydrocarbons, ozone precursors, and carbon dioxide.

One type of pollutant emitted by lawn mowers is polycyclic aromatic hydrocarbons (PAHs). These are classified as probable carcinogens by the CDC. Testing found that operating a typical gasoline mower with a four-cycle engine produced as much PAH as driving a modern car about 150 km or about 95 miles. This means that unless you drive more than 95 mph, your mower actually produces more pollution per hour than your car!

Another source claims that operating a gas mower for one hour will produce the same pollution as driving a car 1300 miles.

Yet another source claims the figure is about 3400 miles of car travel per hour of mower use.

In an hour's mowing, twenty-six different PAHs were found in the exhaust of the mowers, including 100microgrammes of benzo[a]pyrenes, which have been mentioned as a carcinogen in cigarette smoke. Other chemicals emitted include half a kilogram of carbon monoxide and several grams of methane, hydrocarbons, nitrogen oxide and smoke particles.

Another pollutant caused disproportionately by gas-powered lawn equipment is ozone. Hydrocarbons from mowers react with nitrogen oxides in the presence of sunlight to produce ozone. Since lawn mowing occurs during the summer months, it exacerbates the already high levels of ground-level ozone present in the summer. Ozone irritates the lining of the lungs and agravates athsma and other respiratory conditions. Ozone is the principal pollutant that causes "Red Alert" warnings about air quality in the summer.

An EPA study found that approximately 9 percent of some types of air pollutants nationwide come from lawn and garden equipment small engines. In metropolitan areas, the concentration of lawns causes this percentage to increase, in some instances to 33%.

The author of one pollution study had this to say: "Using a catalyst would help prevent most emissions from small engines. Of course, people could also use an electrical powered lawn mower instead."

In Britain, more than 70% of lawn mowers sold are electric.

The concern about toxic pollutants emitted by gas mowers is heightened due to the concentrations experienced by the operator.

Government programs offering deep discounts on electric mowers in exchange for the "surrender" of a gas mower are springing up all over the country  Source - Learn more at - Environmental Elements

Reel Classic Trailing Wheel 16" Push Mower

Keep your grounds looking sharp in a time-tested way with this Reel Classic Trailing Wheel 16" Push Mower. It takes a rugged, user friendly design and a little bit of muscle power to make a big difference in how your lawn gets trimmed.Reel Classic Trailing Wheel 16" Push Mower Features: 16" cutting width - clears a wide swath through overgrown lawn grass Adjustable blade height range from 1" to 3" - versatile enough to meet your various mowing needs Quick-snap height adjusters - for easy, on-the-go fingertip control changes Dual wheel tracking including 10" composite wheels with radial tread tires and 6" rear tracking wheels - eliminates drag and enhances maneuverability for smooth, stable motion 5-blade ball bearing reel assembly - powers through grass with ease Heat treated blades - for strength and durability Loop style handle with foam grip - for comfortable use, even during prolonged lawn jobsWelded reel hood Routinely oil cutting surfaces, reel axle and wheels Measures approx. 49"L x 22"W x 17"H Red and black finish Comes with a manufacturer's 2-year limited warranty

Earthwise Corded Electric Lawn Mower with Grass Catcher

For environmentally-friendly lawn care, reach for this Earthwise Corded Electric Lawn Mower. You can utilize side discharge, mulching or rear bagging options for versatile lawn care, and because it's electric, there's no gasoline to buy and no fumes. Great for smaller lawns and backyards.

"Lawn-Boy Insight Series Self-Propelled Mower with Electric Start — 6.5 HP, Model# 10686"

Every Lawn-Boy mower is built to fit you with custom features like handle height adjustments and soft comfort grips, along with ease-of-use features that make your mower more comfortable to operate. Every detail — even setup and storage — has been carefully designed with you in mind.6.5 HP Easy Start Tecumseh® engineSens-a-Speed™ (0–5 MPH) self-propelled mower21in. steel deck; electric startMulch, rear bag or side discharge cutting systemEasy Lift Hi-Vac bagging systemQuick Stow Lever for easy storageRear-wheel drive; Easy Turn wheels1in.–4in. cutting heigh

Scotts 18-Inch Deluxe Push Reel Lawn Mower #815-18S

The Scotts Deluxe Reel Mower has an 18" cutting width, with 10" wheels and radial tread tires. It has a comfortable loop style handle with full length cushioned grip. Adjustable cutting height range from 1/2" to 2-3/4" with quick "T" knob adjustable roller assembly. The mower has a 2" welded shrub bar assembly and unbreakable steel side plates. 5 Blade ball bearing reel assembly, with heat treated tempered alloy steel blades and cutter bar. 2 Year Limited Warranty.

American Lawn Mower Company 18-Inch Reel Mower #1815-18

The business end of this hand pushed reel mower is solid, sharp, and easy to use, with five heat-treated, knife-sharp tempered alloy steel blades that can be adjusted for varying grass heights from 1/2 to 2-1/4 inches. With its 10-inch wheels, radial tires, 18-inch cutting width, and 2-inch welded shrub bar, this mower should enable you to cross whatever terrain and reach whatever hard-to-access rogue patches of grass you desire. Plus, the soft foam cushion on the handlebar is a nice -- and much appreciated -- touch. However, assembly can be a headache, even though the only tool you need is a wrench. The instructions could be clearer, and the handle parts could fit together better. This product is backed by a limited 2-year warranty

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Last modified: 10/03/08