1.   Auto exhaust has been linked to this greenhouse effect.

2.   A study released today provides substantial new evidence that air pollution from auto exhausts and smokestacks is killing people worldwide.

3.   Air pollution is so bad that a walk down the street leaves clothing smelling like auto exhaust.

4.   The landscaping and trees, they said, will help control damaging runoff from the paved lots, and help improve air quality damaged by auto exhaust.

5.   The other is ozone, better known as smog, that comes primarily from coal-fired power plants and auto exhaust.

6.   The Smog Dog patrol will be the first established program in the nation to monitor auto exhaust in the field.

7.   To many of them, it is a sullen job of dark, cramped spaces, quick-tempered customers, paltry wages and an inexhaustible flow of auto exhaust.

8.   Cells in the body make nitric oxide, which, paradoxically, is also an air pollutant in auto exhaust.

9.   Greenpeace activist Karsten Smid said the group believed increasing ozone levels caused by auto exhaust are leading to more asthma cases and other illnesses.

10.   Private cars were routed to surrounding streets to limit the damaging auto exhaust the structure was exposed to.