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What is ethanol blending? Differentiate between first generation and second generation ethanols. Analyse the economic and ecological benefits of promoting ethanol blending in India.

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5. What is ethanol blending? Differentiate between first generation and second generation ethanols. Analyse the economic and ecological benefits of promoting ethanol blending in India. (250 words)

Difficulty level: Moderate.

Reference: The Hindu

Why the question:

Prime Minister Narendra Modi announced that India has achieved its target of blending 10% sugarcane-extracted ethanol in petrol, ahead of schedule. Addressing the nation from the Red Fort on the 76th Independence Day, he rooted for energy independence stating that, “we need to be Aatmanirbhar (self-sufficient) in our energy sector”. India is one of the world’s biggest oil importing nations.

 Key Demand of the question: 

To write about ethanol blending, difference between 1G and 2G ehtnaols, economic and ecological benefits of ethanol blending.

Directive word:

Analyse – When asked to analyse, you must examine methodically the structure or nature of the topic by separating it into component parts and present them in a summary.

Structure of the answer:

Introduction: 

Begin by defining ethanol blending and the mechanism behind it.

Body:

First, write about the differences between first generation and second generation ethanols based on its nature, utility and source.

Next, write the economic benefits of ethanol blending – foreign exchange per year, energy security, self-reliance, increasing farmers’ incomes, employment generation, and greater investment opportunities

Next, write about the ecological benefits – lower carbon emissions, better air quality and use of damaged foodgrains etc. Mention the various schemes for promotion of ethanol blending in India.

Conclusion:

Conclude by writing a way forward to promote ethanol blending.