Tuesday January 28, 2020
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Delhi NCR to Use Colour-Coded Stickers to Identify Nature of Fuel Used by Vehicles

The Supreme Court on Monday sought response on the Environment Pollution plea to use colour-coded stickers to identify nature of fuel used by vehicles plying in the National Capital Region (NCR)

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Delhi NCR, SC, Plea, Environment, Stickers, Fuel, Vehicles
The central government said the radio frequency identity (RFID) tag had been made mandatory for commercial vehicles entering Delhi. Pixabay

The Supreme Court on Monday sought response from Delhi, UP, Haryana and Rajasthan governments on the Environment Pollution (Prevention and Control) Authority’s (EPCA) plea seeking a direction to implement the apex court’s order to use colour-coded stickers to identify nature of fuel used by vehicles plying in the National Capital Region (NCR).

On August 13, 2018, the top court had directed that vehicles plying in the NCR should have stickers of different colours, indicating the nature of fuel used by them. Hologram-based light blue colour sticker will indicate vehicles using petrol and CNG, while orange sticker, diesel-run vehicles. It was to be implemented on September 30, 2018.

After observing that the policy was not implemented, the EPCA requested the Division Bench, comprising Justice Arun Mishra and Justice Deepak Gupta, to direct the four states to implement the practice by November 1.

Senior advocate Aparajita Singh, amicus curiae on pollution issues, told the Bench colour-coding could help as the pollution level in the national capital might rise during winter. The top court had passed the order because pollution was acute, she added.

Delhi NCR, SC, Plea, Environment, Stickers, Fuel, Vehicles
Although the air in cities like Mumbai is not as dirty as in Delhi, the problem is worsening and environmentalists warn that much of urban India faces an air pollution crisis. Pixabay

The stickers would also help in identifying banned vehicles.

Supporting the EPCA report, the central government said the radio frequency identity (RFID) tag had been made mandatory for commercial vehicles entering Delhi and the cost of RFID tag had been fixed at Rs 225.

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However, the Bench said it couldn’t issue direction without working out modalities of distributing colour-coded stickers.

The bench has listed the matter for hearing on October 21. (IANS)

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Here’s Why Automative Technology May Have Adverse Impact on Climate, Public Health

climate trade-off is much different on the regional scale, especially in areas with high vehicle densities

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Technology
While automative technology is credited with boosting fuel efficiency and reducing CO2 emissions, GDI engines produce more black carbon aerosols than traditional port fuel injection engines. Pixabay

New automotive technology that promises enhanced fuel efficiency may have a serious downside, including significant climate and public health impacts, a new study suggests.

The gasoline direct injection (GDI) engine is one of the most prominent technologies car manufacturers adopted to achieve the fuel economy and carbon dioxide emission goals established in 2012 by the US Environmental Protection Agency.

While this technology is credited with boosting fuel efficiency and reducing CO2 emissions, GDI engines produce more black carbon aerosols than traditional port fuel injection engines, according to the study published in the journal Environmental Science and Technology.

“Even though emissions from gasoline vehicles constitute a small fraction of the black carbon in the atmosphere, the vehicle emissions are concentrated in regions with high population densities, which magnifies their effect,” said study researcher Rawad Saleh, Assistant Professor at University of Georgia in the US.

The market share of GDI-equipped vehicles increased from 2.3 per cent in model year 2008 to 51 per cent in model year 2018. The EPA projects 93 per cent of vehicles in the US will be equipped with GDI engines by 2025. According to the study, researchers predicts the increase in black carbon emissions from GDI-powered vehicles will fuel climate warming in urban areas of the US that significantly exceeds the cooling associated with a reduction in CO2.

In addition, they believe the shift will nearly double the premature mortality rate associated with vehicle emissions, from 855 deaths annually to 1,599. The researchers estimate the annual social cost of these premature deaths at $5.95 billion. The increase of black carbon is an unintended consequence of the shift to GDI-equipped vehicles that some scientists suspected was based on experimental data, according to the researcher.

Technology
New automotive technology that promises enhanced fuel efficiency may have a serious downside, including significant climate and public health impacts. Pixabay

“This study is the first to place these experimental findings in a complex modeling framework to investigate the trade-off between CO2 reduction and an increase in black carbon,” Slah said. While previous research has reported the shift to GDI engines will result in net benefits for the global climate, the researchers said that these benefits are rather small and can only be realized on timescales of decades.

Meanwhile, the negative impact of black carbon can be felt instantaneously, they added.

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“Our research shows the climate trade-off is much different on the regional scale, especially in areas with high vehicle densities. In these regions, the climate burden induced by the increase in black carbon dominates over the climate benefits of the reduction in CO2,” said Saleh. (IANS)