Soon, remote sensing detectors to check emissions of vehicles entering Delhi | Latest News Delhi - Hindustan Times
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Soon, remote sensing detectors to check emissions of vehicles entering Delhi

Hindustan Times, New Delhi | By
Aug 21, 2019 12:01 AM IST

The Environment Pollution (Prevention and Control) Authority on Wednesday said it will issue a directive to agencies to install remote sensing devices at Delhi’s borders to ensure smart policing of emissions.

Soon vehicles entering Delhi will be automatically tested for toxic tailpipe emissions using remote sensing technology.

Vehicular emission is one of the major causes of air pollution in Delhi.(HT Photo)
Vehicular emission is one of the major causes of air pollution in Delhi.(HT Photo)

The Supreme Court-mandated Environment Pollution (Prevention and Control) Authority (EPCA) on Wednesday said it will issue a directive to agencies to install remote sensing devices at Delhi’s borders to ensure smart policing of emissions.

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EPCA member Sunita Narain said an official announcement on this would be made next month when the radio-frequency identification (RFID) project kicks off.

“Using remote sensors will be crucial in detecting grossly polluting vehicles and this system will be in addition to the existing set-up of fitness tests. The technology will not only help the traffic police to issue spot fines to polluting vehicles, but also help in data collection about specific models of vehicles that are more polluting than others,” she said at a seminar organised by the Centre for Science and Environment (CSE).

A remote sensing device comprises a light source and a detector that is placed on the side of the road or at a height to transmit a laser beam. The beam measures the exhaust fumes remotely through spectroscopy when vehicles cross its light path. “It can measure exhaust plume, and detect opacity, nitric oxide, carbon monoxide, hydrocarbons, and carbon monoxide in 0.5 seconds,” Anumita Roychowdhury, CSE, said.

Beijing in China has heavily invested in remote sensing devices with 27 fixed and 22 removable machines installed across the city. The International Centre for Automotive Technology (ICAT) said it has already conducted trials on 82,000 vehicles so far at three spots – the Delhi airport toll point, Gurugram-Faridabad toll point and Manesar.

“Of the 82,000 vehicles, we could tally only 52,000 as the remote sensing devices do not work accurately when vehicles move in groups. Next, we are going to conduct trials on the Ghaziabad-Dasna toll,” Dinesh Tyagi of ICAT said.

Narian said implementing this in Delhi would be easier. “From next month, RFID would be implemented for which vehicles will anyway have to move in queues to get the scanning done properly. So, along with that, remote sensors would also be able to test individual vehicles in an orderly manner,” she said.

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  • ABOUT THE AUTHOR
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    Sweta Goswami writes on politics, urban development, transportation, energy and social welfare. Based in Delhi, she tracks government policies and suggests corrections based on public feedback and on-ground implementation through her reports. She has also covered the Aam Aadmi Party (AAP) since its inception.

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