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UPSC Prelims 2024 Question on – Sustainable Aviation Fuel (SAF) Feedstocks
Q. Consider the following materials:
1. Agricultural residues
2. Corn grains
3. Wastewater treatment sludge
4. Wood mill waste
Which of the above can be used as feedstock for producing Sustainable Aviation Fuel (SAF)?
✅ Correct Answer: (c) 1, 2, 3 and 4
Explanation:
Sustainable Aviation Fuel (SAF) is produced from renewable and waste-based feedstocks to reduce greenhouse gas emissions.
- ✅ Agricultural residues (e.g., straw, crop waste)
- ✅ Corn grains and other oilseeds
- ✅ Wastewater treatment sludge (wet wastes)
- ✅ Wood mill waste and forestry residues
Other sources include algae, municipal solid waste, animal manure, and dedicated energy crops.
