1.   The Acts lay down a minimum standard for air quality, and impose pollution emission controls to particular polluters.

2.   The USA adopted new Inspection and Maintenance procedures during the year that will allow more meaningful checks on the performance of emission controls and autocatalysts in use.

3.   The study by the California Air Resources Board attributes the improvement to strict emission controls on motor vehicles and factories.

4.   Another factor is government-mandated emissions controls.

5.   A new catalytic converter improves emissions control.

6.   But emission controls are not the only shortcoming of the Earth Summit.

7.   But many critics decry spending billions of dollars more on emissions controls for marginal public health benefits.

8.   Gore is wooing the auto industry with assurances that emission control is good for jobs.

9.   He made New York the second state, after California, to adopt new emission controls for new cars and trucks.

10.   Included is the outrageous notion of exempting oil refineries from air emissions controls.