1.   Any disruption to production in South Africa would worsen a worldwide shortage of platinum, used in vehicle emission control systems and for jewelry.

2.   -- Allowing businesses to buy or lease remote sensing equipment that would be used to spot employees cars with faulty emission systems.

3.   Emission control systems, which quite frankly have no maintenance intervals, quit working correctly.

4.   For example, the EPA wants to institute an emission fee system for the ports of Los Angeles and Long Beach.

5.   Neglected cooling systems, carbon buildup in the combustion chamber, and marginal or nonfunctioning emission control systems can cause an engine to run hotter.

6.   The approach is patterned after an emission credit system designed for reducing acid rain pollutants in the United States.

7.   The EPA contended that MMT might impair car emission control systems and cause more pollution.

8.   To soften the blow on industries, he proposed using a market-based emissions credit system, which essentially allows companies to trade the right to pollute.

9.   Under federal and state law, ignition modules are considered to be part of a vehicles emissions system.

10.   Kitagawa said Toyota would provide more details on how the emissions control system works at a new model unveiling next week.