Q15 · UPSC Civil Services Mains 2023 · GS III · 15 marks · 2 min read

← Q14 Q16 →

The adoption of electric vehicles is rapidly growing worldwide. How do electric vehicles contribute to reducing carbon emissions and what are the key benefits they offer compared to traditional combustion engine vehicles?

Topic: Environment and Conservation. Syllabus: Conservation, environmental pollution and degradation, environmental impact assessment. Same official PYQ from year-wise 2023 and Environment and Conservation.

Revision summary

EVs have no tailpipe carbon; life-cycle carbon depends on a still coal-heavy but greening Indian grid. They are usually cleaner than petrol cars because power plants beat small engines, especially as renewables grow. Two- and three-wheelers matter most for India’s kilometres and oil bill. Versus ICE, EVs win on efficiency, running cost, noise, and local air; they lag on price, range, and charging. FAME II and Advanced Chemistry Cell PLI are the Union levers; recycling and clean charging complete the carbon claim.

Model answer

Introduction

An electric vehicle (EV) replaces tank petrol or diesel with a battery and a motor. Tailpipe carbon at the street falls to zero. National carbon falls only if the grid that charges the battery is cleaner, and if the battery is made and recycled without a new mess. India is pushing that shift with Faster Adoption and Manufacturing of Electric Vehicles (FAME II) and industrial incentives.

Body

Reducing the carbon footprint

  • No tailpipe CO2 or NOx in the city; that is immediate air-quality gain even before the grid is green.
  • Over the vehicle’s life, carbon depends on kWh of electricity and how those kWh are made. India’s grid is still coal-heavy, so a charged EV is not a zero-carbon machine today. It is usually lower carbon than a petrol car because a power plant is more efficient than a small engine, and because renewables on the grid keep rising.
  • Two- and three-wheelers dominate Indian kilometres. Electrifying them cuts a large share of urban fuel use with smaller batteries than cars.
  • Less oil import is a carbon and a current-account gain: transport is a large slice of diesel and petrol demand.
  • Gains shrink if users charge on diesel generators, if batteries are dumped, or if extra coal plants are built only for peak charging. Pair EVs with renewable power, time-of-day tariffs, and recycling.

Benefits versus internal combustion engine (ICE)

  • Energy efficiency: more of the energy in the battery becomes motion; an ICE wastes most of the fuel as heat.
  • Running cost: electricity per kilometre is typically lower than petrol or diesel at Indian retail prices.
  • Local air and noise: no exhaust; quieter streets.
  • Maintenance: no oil change, simpler drivetrain; brake wear falls with regenerative braking.
  • Torque and drivability in city start-stop traffic.
  • Offsets: higher purchase price (falling with scale), range and charge time, charging access, and battery minerals. ICE still wins on long-haul heavy trucks until chemistry and trucks catch up.

Policy

  • FAME II subsidises eligible e-buses, two- and three-wheelers and some cars, and supports charging points.
  • Production Linked Incentive for Advanced Chemistry Cell batteries and for auto champions aims to make cells in India.
  • State EV policies add road-tax waivers. The carbon story succeeds if these raise utilisation of clean kWh, not only showroom numbers.

Flow diagram

flowchart TD
  EV[Electric vehicle] --> T[Zero tailpipe]
  EV --> G[Grid kWh]
  G --> C[Carbon footprint]
  T --> A[City air]
  F[FAME II PLI ACC] --> EV
  ICE[ICE petrol diesel] --> H[Heat waste oil import]

Conclusion

EVs cut street carbon and usually cut life-cycle carbon versus ICE as the grid adds renewables. They win on efficiency, running cost, and city air. FAME II and battery PLI are the adoption tools. They fail the climate test if charging stays coal-only and batteries stay unrecycled.

Quick related

Students also ask

PYQ trend

When UPSC asked this

Related PYQs from other years, newest first. Open a question to read it.

  1. 2024 · Q7 · GS III · 10 marks

    Industrial pollution of river water is a significant environmental issue in India. Discuss the various mitigation measures to deal with this problem and also the government's initiative in this regard.

    View answer →

  2. 2024 · Q8 · GS III · 10 marks

    What role do environmental NGOs and activists play in influencing Environmental Impact Assessment (EIA) outcomes for major projects in India? Cite four examples with all important details.

    View answer →

  3. 2023 · Q8 · GS III · 10 marks

    What is oil pollution? What are its impacts on the marine ecosystem? In what way is oil pollution particularly harmful for a country like India?

    View answer →

  4. 2023 · Q17 · GS III · 15 marks

    Comment on the National Wetland Conservation Programme initiated by the Government of India and name a few India's wetlands of international importance included in the Ramsar Sites.

    View answer →

  5. 2023 · Q18 · GS III · 15 marks

    The Intergovernmental Panel on Climate Change(IPCC) has predicted a global sea level rise of about one metre by AD 2100. What would be its impact in India and the other countries in the Indian Ocean region?

    View answer →

  6. 2022 · Q6 · GS III · 10 marks

    Each year a large amount of plant material, cellulose, is deposited on the surface of Planet Earth. What are the natural processes this cellulose undergoes before yielding carbon dioxide, water and other end products ?

    View answer →

  7. 2022 · Q17 · GS III · 15 marks

    Discuss global warming and mention its effects on the global climate. Explain the control measures to bring down the level of greenhouse gases which cause global warming, in the light of the Kyoto Protocol, 1997.

    View answer →

  8. 2021 · Q6 · GS III · 10 marks

    Explain the purpose of the Green Grid Initiative launched at World Leaders Summit of the COP26 UN Climate Change Conference in Glasgow in November, 2021. When was this idea first floated in the International Solar Alliance (ISA) ?

    View answer →

More from this paper

Q1 · UPSC Mains 2023 · GS III · 10 marks

Faster economic growth requires increased share of the manufacturing sector in GDP, particularly of MSMEs. Comment on the present policies of the Government in this regard.

Indian Economy

India’s growth mix is still services-heavy; a larger manufacturing share is needed for jobs and tradable output. MSMEs are the bulk of industrial units and a large part of manufacturing and exports. PLI rewards scale in notified sectors; Udyam, CGTMSE and PMEGP formalise and finance the small unit. TReDS, Samadhaan and ZED support payments and quality around that core. The gap is still logistics, delayed payments, and a manufacturing share of GVA near one-sixth.

Q2 · UPSC Mains 2023 · GS III · 10 marks

What is the status of digitalization in the Indian economy? Examine the problems faced in this regard and suggest improvements.

Indian Economy

Digitalization in India is furthest in identity, payments and tax, led by Aadhaar, UPI and GSTN. ONDC is the public attempt to open digital commerce to small sellers. The Digital Personal Data Protection Act 2023 is the first full Union data law. Problems are the access gap, payment fraud, weak privacy practice, and a few private platforms. Improvements are last-mile connectivity, DPDP enforcement, ONDC, and cyber capacity without killing cheap UPI.

Q3 · UPSC Mains 2023 · GS III · 10 marks

How does e-Technology help farmers in production and marketing of agricultural produce? Explain it.

Crops, Irrigation and Marketing

Weather, mKisan, Soil Health Card and drones improve the production decision. PM-KISAN and PMFBY ride digital rails so cash and insurance reach the farmer. e-NAM, AGMARKNET and e-warehouse receipts improve the sale decision. FPOs and ONDC-type tools can widen the buyer set. The phone works only if mandi assaying, storage and roads exist.

Toppers' copies

Toppers' copies for this question will be uploaded soon.