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Delhi can electrify its path to clean air

Delhi’s air pollution problem is not insolvable. Beijing represents a prominent success story of a city that cleaned up its act. Vehicular emissions are primary cause of Delhi’s poor air quality. Therefore, public policy which encourages adoption of electric vehicles in place of combustion engine powered vehicles is the key to changing things for the better 

December 19, 2024 / 07:32 IST
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delhi air pollution
Delhi’s pollution crisis stems from multiple sources, including industrial emissions, construction activities, and biomass burning.

The air quality in New Delhi has reached hazardous levels, with the city ranking third on the global list of the most polluted cities, following Astana in Kazakhstan and Lahore in Pakistan. Persistent air pollution poses severe environmental challenges and significant health risks for Delhi's residents. With the Air Quality Index (AQI) consistently moving from 'very poor' to 'severe,' emergency measures under Stage 4 of the Graded Response Action Plan (GRAP) have again been enforced, including restrictions on diesel freight vehicles and shifts to online education during high-pollution periods.

Despite these measures, pollution levels remain alarming, leading to judicial interventions. The Supreme Court has criticized existing efforts and held local authorities accountable for ineffective enforcement. This raises an essential question: Are there sustainable solutions to Delhi’s pollution woes? Could embracing electric vehicles (EVs) provide a viable pathway to cleaner air and a healthier future for the capital city?

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The Role of Vehicular Emissions in Delhi's Pollution

Delhi’s pollution crisis stems from multiple sources, including industrial emissions, construction activities, and biomass burning. However, vehicular emissions are the primary contributor, accounting for a significant share of toxic air pollutants. The Centre for Science and Environment (CSE) highlights that addressing this "mobility crisis" requires immediate and scaled-up interventions. Electric vehicles (EVs) offer a promising solution to mitigate vehicular emissions and address air pollution. Unlike internal combustion engine (ICE) vehicles, EVs do not emit tailpipe pollutants offering several advantages. First, EVs generate significantly fewer lifetime emissions, including CO2 and particulate matter, and their regenerative braking systems also reduce emissions caused by brake wear. Second, reduced vehicular pollution translates to better public health with fewer respiratory and cardiovascular issues, thereby enhancing the overall well-being of Delhi's population. Finally, EVs are more efficient than ICE vehicles and can further reduce environmental impact when powered by renewable energy.