Because diesel emissions are linked to asthma and other respiratory illnesses, city and state laws say buses may not idle for more than three minutes.

The bus, as promised, was idling outside the theater.

At the other side of the half-collapsed building, the white medical bus idled, the men sheltering in a doorway.

THE sun had barely set on Saturday, but the buses were already idling at the gate.

The other bus from the center and its 54 children idled in the traffic jam that reached five miles in length as the authorities transported the bodies and swept the metal carnage from the highway.

In New York City, trucks and buses with diesel engines may not idle for more than three consecutive minutes.

With subways and buses idled, thousands of Parisians walked home from work today, the sixth day of the worst rail strike in a decade, which has crippled much of France.

A few miles away, two more green buses idled near a supermarket.

The Knicks' bus was idling in a tunnel of Continental Arena, but in a hallway outside the locker room, team executives waited and watched grimly as Tim Thomas, still in uniform and strapped to a stretcher, was wheeled to an ambulance.

But when she tore into Columbus Circle, the bus still idled at the curb.