All of the foregoing technological advances have been critically dependent on the availability of an abundant and economic supply of fossil fuels including diesel fuel for on-farm tractors and self-propelled machines; and natural gas, heavy fuel oil and coal for off-farm electricity generation.
The dominant energy sources on conventional farms in the developed world are diesel oil (to power tractors and other self-propelled equipment) and electricity (to provide light, heat and refrigeration; and to power electric motors to run milking machines, animal feeding systems, ventilation fans, water supply and irrigation systems).

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All of the foregoing technological advances have been critically dependent on the availability of an abundant and economic supply of fossil fuels including diesel fuel for on-farm tractors and self-propelled machines; and natural gas, heavy fuel oil and coal for off-farm electricity generation.
The dominant energy sources on conventional farms in the developed world are diesel oil (to power tractors and other self-propelled equipment) and electricity (to provide light, heat and refrigeration; and to power electric motors to run milking machines, animal feeding systems, ventilation fans, water supply and irrigation systems).

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