| 21. | All the 320is models were left hand drive and without a catalytic converter.
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| 22. | The initial catalytic converters were installed in cars in the 1975 model year.
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| 23. | The vehicles will also have advanced catalytic converters to trap and burn emissions.
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| 24. | They propose cutting nitrous oxide production by adjusting catalytic converters in future models.
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| 25. | Its biggest use is in catalytic converters in automobile exhaust pipes.
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| 26. | 1976 models featured steel floor panels shielding the catalytic converter exhaust.
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| 27. | The catalytic converter was modified to add a secondary air-injection pump.
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| 28. | Platinum is used mainly in automobile catalytic converters and as jewelry.
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| 29. | For 2001, the engine has improved-efficiency catalytic converters and coolant sensors.
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| 30. | Gas will have less sulfur, so catalytic converters can work better.
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