Communications of the ACM
Remote Sensing Technology Reduces Urban Air Pollution
While new cars are required to meet emissions standards, older vehicles, particularly those with high mileage, those that have been modified, or those that are not well maintained, can malfunction and have significantly higher emission levels, which leads
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Researchers at Australia's University of Technology Sydney (UTS), the Hong Kong Environmental Protection Department, and the Hong Kong Vocational Training Council found that a city’s use of a remote emissions sensing system, in combination with programs to inspect and repair high-polluting vehicles, could significantly improve that city’s air quality.
Analysis determined that Hong Kong’s remote sensing enforcement program led to significant, ongoing reduction in air pollution levels.
"Targeting the small portion of high emitters for vehicle emission control significantly reduces the repair cost and time for both the government and vehicle owners, compared to passive sampling or periodic inspection," said UTS' Yuhan Huang.
From University of Technology Sydney (Australia)
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