Effectiveness of catalytic converters on older cars on New Zealand roads
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Authors
Bakmeedeniya, Anura
Chand, Prabhat
Kudin, Roman
Chand, Prabhat
Kudin, Roman
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2021-12
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Conference Contribution - Oral Presentation
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Keyword
New Zealand
catalytic converters
vehicle exhaust systems
automotive vehicles
environmental remediation
catalytic converters
vehicle exhaust systems
automotive vehicles
environmental remediation
ANZSRC Field of Research Code (2020)
Citation
Bakmeedeniya, A., Chand, P., & Kudin, R. (2021, December). Effectiveness of catalytic converters on older cars on New Zealand roads. Paper presented at the MIT-Unitec Research Symposium 2021 Rangahau Horonuku Hou - New Reserch Landscape, Online.
Abstract
RESEARCH RATIONALE
Road transport is one of the major contributors to the environmental pollution.
There are many sources and types of substances emitted by road transport, but for the vehicles with the internal combustion engine the main source of pollution is the tail-pipe exhaust emissions.
A catalytic converter is the most common and efficient method to mitigate exhaust tail-pipe emissions.
The efficiency of a catalytic converter can deteriorate with time and car’s mileage.
In the countries with aging car fleets, without a compulsory, periodic and metered in-service emissions testing (like NZ), such deterioration can further increase the environmental pollution.
This short presentation discusses the results of a pilot test performed at Unitec to evaluate the efficiency of catalytic converters on older cars in New Zealand.
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