| 1. | Catalytic converters were optional in the larger petrol units starting from 1986.
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| 2. | Some automakers want to develop an inexpensive catalytic converter to cut pollution.
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| 3. | New cars have catalytic converters, which reduce carbon monoxide and nitrogen oxide.
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| 4. | One example of this is the platinum used in automobile catalytic converters.
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| 5. | This includes filters for particulates and catalytic converters to remove nitrous oxide.
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| 6. | Cerium oxide, also found in catalytic converters, makes the methane react quickly.
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| 7. | It is also used in automobile catalytic converters, which reduce hydrocarbon emissions.
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| 8. | The new gasoline helps a vehicle's catalytic converter more efficiently remove pollutants.
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| 9. | They're wrapped around the catalytic converter and are slowly melting away ."
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| 10. | Vehicles fitted with catalytic converters produced nearly half of that nitrous oxide.
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