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DRIVING * USA - Unhealthiest Part of Day for Most Drivers
Harmful Particulates a Danger for Daily Drivers
Los Angeles,CAL,USA -WardsAuto.com, by Herb Shuldiner -Nov 8, 2007: -- Daily commuting accounts for approximately half of the average motorist’s exposure to harmful diesel particulate emissions, a new study says... Ultra-fine particulates, which are more toxic than larger particles, are of the greatest concern because they can penetrate cell walls and disperse throughout the body, the study says... The research team, of the Keck School of Medicine at the University of Southern California, studied drivers in Los Angeles between February and April 2003 and found about half of their exposure to pollutants was during their drives to and from work... In the 1.5 hours average drivers spend in their cars every day, they are exposed to 33%-45% of the harmful air pollution they breathe in, the study says, noting the greatest concentration of emissions comes from heavy trucks... Hard acceleration, on both surface streets and in freeway driving, produced the greatest exposure to diesel pollution... “The extent that (diesel trucks) dominated the highest concentration conditions on freeways was unexpected,” Fruin says. “Shortening your commute and spending less time in the car will significantly reduce your total body burden of harmful pollutants.”...
Labels: drivers' health
posted by Unknown @ 6:55 AM
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