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Exercises · Q9

Q.What are the various non-commercial sources of energy?

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Non-commercial energy sources — firewood, agricultural waste and dried dung — are found in nature, not traded, and mostly renewable; most Indian households rely on them.

Non-commercial sources of energy are those that are not bought and sold in the market, because they are freely available in nature or forests. The various non-commercial sources are:

  1. Firewood — wood gathered for fuel.
  2. Agricultural waste — crop residues left after harvest.
  3. Dried dung (cow dung) — used as cooking fuel, especially in villages. …

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