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Subject: Trucks at heart of China's diesel problems


Author:
larry
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Date Posted: 03:31:40 12/09/07 Sun

http://www.iht.com/articles/2007/12/07/asia/china.php

GUANGZHOU, China: Every night, columns of hulking blue and red freight trucks invade China's major cities with a reverberating roar of engines and dark clouds of diesel exhaust so thick it dims headlights.

By daybreak in this sprawling metropolis in southeastern China, residents near thoroughfares who left their windows open overnight find their faces stiff with a dark layer of diesel soot.

After Mary Leung opens her tiny open-air shop along a major road soon after dawn, she must wipe the soot off her countertops and tables; the tiny yellow-and-olive bird that has kept her company from a bird cage is harder to clean.

Trucks are the mules of this country's spectacularly expanding economy - ubiquitous and essential, yet highly noxious.

Trucks here burn diesel fuel contaminated with more than 130 times the pollution-causing sulfur that the United States allows in most diesel. While car sales in China are now growing even faster than truck sales, trucks are by far the largest source of street-level pollution.

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Today in Asia - Pacific

Trucks at heart of China's diesel problems

Tanker spills crude oil off coast of South Korea

China rejects mandatory cuts on greenhouse gases

Tiny particles of sulfur-laden soot penetrate deep into residents' lungs, interfering with the absorption of oxygen. Nitrogen oxides from truck exhaust, which build all night because cities limit truck traffic by day, bind each morning with gasoline fumes from China's growing car fleet to form dense smog that inflames lungs and can cause severe coughing and asthma.

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