1.   And better pollution control devices would take more of the deadly particulates out of exhaust.

2.   And they say diesel buses can be made just as clean by using upgraded engines, new pollution control devices and low-sulfur fuel.

3.   And what of all those air pollution devices that federal regulations require on cars?

4.   Both metals are used in automotive pollution control devices.

5.   Air quality control scientists say sulfur must be removed from fuel in order for pollution control devices to work properly.

6.   AK Steel has said the potential costs of the lawsuit and costs of installing pollution control devices could cause the company to reconsider its continued operation in Middletown.

7.   Both metals are used in auto pollution control devices, while palladium is also used for electronics components.

8.   Catalysts are used to speed reactions in chemical processes, petroleum refining and pollution control devices.

9.   Catalysts are used to speed reactions in chemical processes, pollution control devices and in other industrial applications.

10.   Consumers of platinum and palladium, which are used in auto pollution control devices and electronics, are less sure of a steady stream of exports.