Contents 1 Overview 2 Environmental impact 3 See also 4 References 5 External links

Overview[edit] Backpack leaf blower The leaf blower was invented by Aldo Vandermolen in the 1950s. Drought conditions in California facilitated acceptance of the leaf blower as the use of water for many garden clean-up tasks was prohibited. Leaf blowers also save time compared to a broom.[3] By 1990, annual sales were over 800,000 in the U.S., and the tool had become a ubiquitous gardening implement. Other functions beyond the simple use of garden maintenance have been demonstrated by Richard Hammond on the Brainiac television series, in which a man sized hovercraft was constructed from a leaf blower. Being both portable and able to generate wind speeds of between 140–270 miles per hour (63–121 m/s) and air volumes of 14 m3 per minute, the leaf blower has many potential uses in amateur construction projects.

Environmental impact[edit] Emissions from gasoline-powered grounds-keeping equipment in general are a source of air pollution[4] and more immediately (when powered by internal combustion engines, rather than by electricity), noise pollution. In the United States, US emission standards prescribe maximum emissions from small engines. In addition to the adverse health effects of carbon monoxide, nitrogen oxides, hydrocarbons, and particulates generated in the exhaust gas of the gasoline-powered engines, leaf blowers pose problems related to dust raised by the powerful flow of air. Dust clouds caused by leaf blowers contain potentially harmful substances such as pesticides, mold, and animal fecal matter that may cause irritation, allergies, and disease.[citation needed] Noise pollution is also a concern with leaf blowers, as they emit noise levels well above those required to cause hearing loss to both the operator and those nearby.[citation needed] Soon after the leaf blower was introduced into the U.S., its use was banned in two California cities, Carmel-by-the-Sea in 1975 and Beverly Hills in 1978, as a noise nuisance. There are currently twenty California cities that have banned leaf blowers, sometimes only within residential neighborhoods and usually targeting gasoline-powered equipment. Another 80 cities have ordinances on the books restricting either usage or noise level or both.[5]

See also[edit] Small engine Electric engine

References[edit] ^ "Leaf blowers". Consumer Reports. Retrieved 29 May 2014.  ^ Delulio, Joe. "Walk Behind Leaf Blower Buyer's Guide". Power Equipment Direct, Inc. Retrieved 29 May 2014.  ^ "CLCA Position On Leaf Blowers". California Landscape Contractors Association. Retrieved 29 May 2014.  ^ "Lawn Equipment | Improving Air Quality in Your Community | US EPA". 2006-06-28. Archived from the original on 2009-04-28. Retrieved 2009-06-10.  ^ Leaf-blower regulations nationwide Consumer Reports magazine, September 2010.

External links[edit] Wikimedia Commons has media related to Leaf blowers. v t e Garden tools Averruncator Axe Chainsaw Cultivator Daisy grubber Dibber Earth auger Edger Garden fork Garden hose Grass shears Grass stitcher Hedge trimmer Hoe Hori hori Irrigation sprinkler Lawn aerator Lawn mower Lawn sweeper Leaf blower Loppers Machete Mattock Pickaxe Pitchfork Plough (plow) Post hole digger Potting bench Pruning shears (secateurs) Rake Riddle Rotary tiller Scythe Shovel Sickle Spade String trimmer Trowel Tsakat Watering can Weeder Wheelbarrow Retrieved from "" Categories: American inventionsGardening toolsLeavesHidden categories: All articles with unsourced statementsArticles with unsourced statements from January 2013

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