With a decline in fossil fuel supply (inevitable in the medium to long term) the attention will switch to renewable sources for on-farm fuel use and to renewable and/or nuclear for off-farm electricity generation. The renewable fuel that is most likely to be suitable for use in tractors and other self-propelled machines is esterified oil from oilseeds.
Because India's economy was growing slowly, a slower rate of mechanization and a larger volume of migration could have solved the labor shortages in Punjab at a lower capital cost. And the extra employment would have meant that the benefits of the green revolution were shared more widely with workers in poorer regions.

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With a decline in fossil fuel supply (inevitable in the medium to long term) the attention will switch to renewable sources for on-farm fuel use and to renewable and/or nuclear for off-farm electricity generation. The renewable fuel that is most likely to be suitable for use in tractors and other self-propelled machines is esterified oil from oilseeds.
Because India's economy was growing slowly, a slower rate of mechanization and a larger volume of migration could have solved the labor shortages in Punjab at a lower capital cost. And the extra employment would have meant that the benefits of the green revolution were shared more widely with workers in poorer regions.

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