Even when oilseeds (esterified, partially refined or crude) are used as diesel fuel extenders, the economic difficulty still persists and will continue until such time as diesel oil supplies begin to dwindle or until a more appropriate substitute fuel (renewable or nonrenewable) should emerge. Should diesel fuel supplies run out and an appropriate substitute fuel fail to emerge, tractors and other engine-driven equipment could convert to spark-ignition engines. These are more versatile in terms of fuel use (e.g. renewable alcohol, as well as nonrenewable hydrocarbons) even if less suited to the heavy workloads in agriculture.
Europe went through equally dramatic changes after 1955. Cases 1 and 2 show that the labor effects of mechanization depend on the alternatives available to the economy. The Indian Punjab provides an opposite example. The green revolution initiated in the mid-1960s led to sharply increased demand for labor, which caused a big rise in real wages around 1968 (Gupta and Shangari 1979).

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Even when oilseeds (esterified, partially refined or crude) are used as diesel fuel extenders, the economic difficulty still persists and will continue until such time as diesel oil supplies begin to dwindle or until a more appropriate substitute fuel (renewable or nonrenewable) should emerge. Should diesel fuel supplies run out and an appropriate substitute fuel fail to emerge, tractors and other engine-driven equipment could convert to spark-ignition engines. These are more versatile in terms of fuel use (e.g. renewable alcohol, as well as nonrenewable hydrocarbons) even if less suited to the heavy workloads in agriculture.
Europe went through equally dramatic changes after 1955. Cases 1 and 2 show that the labor effects of mechanization depend on the alternatives available to the economy. The Indian Punjab provides an opposite example. The green revolution initiated in the mid-1960s led to sharply increased demand for labor, which caused a big rise in real wages around 1968 (Gupta and Shangari 1979).

Source 1 | Source 2 | Source 3

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