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I am writing to express my deep concern about the negative health
impacts of diesel pollution from trucks and buses and I urge the
California Air Resources Board to adopt the strongest regulation
possible to clean up the top sources of diesel particulate matter
in California.
Dear California Air Resources Board:

California has the worst air quality in the nation and trucks and
buses are a major contributor to the particulate matter and ozone
pollution that causes very serious health consequences. Pollution
from trucks and buses results in an estimated 4,500 premature
deaths and 71,000 cases of asthma and lower respiratory tract
symptoms each year. Equally important, truck drivers are 1.5 to 2
times as likely as workers not exposed to diesel exhaust to develop
lung cancer during their lives.

To protect the health of all Californians, I urge the California
Air Resources Board to adopt the strongest possible diesel truck
regulations.