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⛽FLEX-FUEL VEHICLES & INDIA'S ETHANOL MOBILTIY PUSH


⛽Flex-Fuel Vehicles & India's Ethanol                     Mobility Push

📍 Why in News?

The Union Minister for Petroleum and Natural Gas, Hardeep Singh Puri, highlighted the importance of Flex-Fuel Vehicles (FFVs) during the launch of Hero MotoCorp's flex-fuel motorcycles compatible with E20–E85 ethanol blends.

📚 What are Flex-Fuel Vehicles (FFVs)?

A Flex-Fuel Vehicle (FFV) is a vehicle with a specially designed internal combustion engine that can operate on different blends of petrol and ethanol without requiring engine modification by the user.

Fuel BlendComposition
    E20        20% Ethanol + 80% Petrol
    E85        85% Ethanol + 15% Petrol

📊 India's Ethanol Blending Journey

    Year                    Ethanol Blending
    2014
                            1.5%
    2025                            20%


🌱 Environmental Benefits

  • Reduced nearly

    90 lakh metric tonnes of CO₂ emissions

  • Supports
    • Green Mobility
    • Net Zero goals
    • Low Carbon Economy

👨‍🌾 Benefits to Farmers

The programme has transformed farmers from

🌾 Annadatas (Food Providers)

                                to

⚡ Urjadatas (Energy Providers)

by creating additional demand for

  • Sugarcane
  • Maize
  • Damaged food grains
  • Other ethanol feedstocks

Importance for India

1. Energy Security

✔ Reduces dependence on imported crude oil.

India imports nearly

88.5% of its crude oil requirement.

2. Foreign Exchange Savings

Lower crude imports mean lower import bills.

3. Environmental Protection

  • Lower Carbon Emissions
  • Cleaner Combustion
  • Better Air Quality

4. Rural Economy

Creates stable income for farmers through ethanol production.

5. Aatmanirbhar Bharat

Promotes domestic fuel production and reduces dependence on imported fossil fuels.

📝 Key Terms to Remember

Ethanol

  • Renewable biofuel
  • Produced by fermentation of sugars and starch
  • Mainly obtained from
    • Sugarcane
    • Molasses
    • Maize
    • Broken Rice

Ethanol Blended Petrol (EBP)

A Government programme that mixes ethanol with petrol to reduce fossil fuel consumption.

Flex-Fuel Engine

An engine capable of operating on multiple ethanol-petrol blends such as

  • E20
  • E30
  • E50
  • E85

without major performance issues.

🔬 Fuel Chemistry (Prelims Value Addition)

FuelChemical Formula
Methane                    CH₄
Ethane                    C₂H₆
Propane                                                C₃H₈
Butane                    C₄H₁₀
LPG (Liquefied Petroleum Gas)                Mainly C₃H₈ + C₄H₁₀
CNG (Compressed Natural Gas)                Mainly CH₄
LNG (Liquefied Natural Gas)                Mainly CH₄
Petrol (Gasoline)    Mixture of hydrocarbons (Approx.             C₄–C₁₂)
Diesel    Mixture of hydrocarbons (Approx.             C₁₂–C₂₀)
Ethanol                C₂H₅OH
Methanol                CH₃OH
Hydrogen                   H₂
Biogas                Mainly CH₄ + CO₂

🌿 Common Biofuels

BiofuelSource
Ethanol    Sugarcane, Molasses, Maize
Biodiesel    Vegetable oils, Used Cooking Oil
Biogas    Animal waste, Organic waste
Bio-CNG    Purified Biogas
Sustainable Aviation Fuel (SAF)    Biomass & Waste Oils

🎯 Prelims Nuggets

Q1.Which one of the following is the chemical formula of Ethanol?

A) CH₄

B) CH₃OH

C) C₂H₅OH

D) C₂H₆

✅ Answer: C

Q2.CNG mainly consists of

A) Hydrogen

B) Methane

C) Propane

D) Butane

✅ Answer: B

Q3.Which fuel is commonly used in Flex-Fuel Vehicles?

A) Petrol only

B) Diesel only

C) Petrol-Ethanol blends

D) Biodiesel only

✅ Answer: C

Q4.E85 fuel contains

A) 85% Petrol + 15% Ethanol

B) 20% Ethanol + 80% Petrol

C) 85% Ethanol + 15% Petrol

D) 100% Ethanol

✅ Answer: C

Q5.Consider the following statements regarding the Ethanol Blended Petrol (EBP) Programme:

  1. It reduces crude oil imports.
  2. It increases farmers' income.
  3. It helps reduce carbon emissions.

Which of the above statements are correct?

A) 1 only

B) 2 and 3 only

C) 1 and 3 only

D) 1, 2 and 3

✅ Answer: D

Q6.Which one of the following fuels is primarily used in LPG cylinders?

A) Methane

B) Hydrogen

C) Propane and Butane

D) Ethanol

✅ Answer: C

Q7.Which of the following is NOT a renewable fuel?

A) Ethanol

B) Biodiesel

C) Biogas

D) Petrol

✅ Answer: D

Q8.Arrange the following fuels based on increasing carbon atoms in their principal hydrocarbon:

  1. Methane
  2. Ethane
  3. Propane
  4. Butane

A) 1-2-3-4

B) 4-3-2-1

C) 2-1-3-4

D) 3-4-1-2

✅ Answer: A

💡 TNPSC/UPSC Value Addition

Government Initiatives

  • Ethanol Blended Petrol (EBP) Programme
  • National Policy on Biofuels, 2018 (amended in 2022)
  • SATAT (Sustainable Alternative Towards Affordable Transportation)
  • PM-JI-VAN Yojana
  • Global Biofuels Alliance (launched during the G20 New Delhi Summit)






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