Dirty for Decades, US Diesel Tractors, Bulldozers Greened

Dirty for Decades, US Diesel Tractors, Bulldozers Greened

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tractor pollution  Jurgen Guerito-CC FlickrDark clouds of soot and gases spewed by tractors, bulldozers, and backhoes are becoming a thing of the past under new federal standards that have forced cleaner diesel engines this year.

In the wake of trucks and buses already modernized by higher U.S. standards, engines and fuel used by farm and construction equipment are next on America’s green agenda.

A variety of new technologies are producing cleaner emissions: lower-sulfur diesel fuel, particle-trapping filters, and more efficient engines with fuel-injection software, recirculated exhaust systems, or catalysts that prevent pollutants from forming.

(READ the story from Environmental Health News)

Photo by Jürgen Guerito – CC Flickr

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