Seven days a week, Fresh Direct deploys more than 100 diesel-powered trucks.

The rules are aimed at reducing soot and smog-forming nitrogen oxides from diesel-powered trucks and buses by more than 90 percent beginning with the 2007 model year.

On one day he announced new regulations to limit emissions from diesel-powered trucks and buses.

One of the board members, who are political appointees, noted that the staff proposal did not change the rules on diesel-powered light trucks.

The rules are aimed at eventually reducing pollution from diesel-powered trucks and buses by more than 90 percent.

Yet, diesel-powered trucks have so far seen few controls.

Analysts expect sales of about 500,000 diesel-powered trucks and S.U.V.'s this year, about the same as last year.

The number of diesel-powered trucks and buses in use in New York City grew substantially during the 1980's.

There are also thousands of diesel-powered trucks that roll through New York.

Would require diesel-powered trucks to undergo an annual emissions inspection.