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PSIR Optional PYQ Solutions · Model answer
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Non-conventional energy sources are the renewable, non-fossil sources (solar, wind, biomass, small hydro, geothermal, tidal and wave energy, and now green hydrogen) that were marginal when grids were built around coal, oil and large dams. Amory B. Lovins called them the "soft energy path" (1976): renewable, decentralised and matched to end use. E. F. Schumacher's…
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