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Energy_efficiency_(disambiguation) entered the ranking for the first time today at position #. This is its highest position ever recorded.
This topic has appeared in the English Wikipedia rankings 1 time. It first appeared on 2026-05-31 and was most recently seen on 2026-05-31.
Energy efficiency may refer to:Energy efficiency (physics), the ratio between the useful output and input of an energy conversion process
Electrical efficiency, useful power output per electrical power consumed
Mechanical efficiency, a ratio of the measured performance to the performance of an ideal machine
Thermal efficiency, the extent to which the energy added by heat is converted to net work output or vice versa
Luminous efficiency, a measure of how well a light source produces visible light
Fuel efficiency, the efficiency of converting potential energy in a fuel into kinetic energy
Energy efficiency in transportation, the fuel economy of various modes of transportation
Energy-efficient landscaping, a type of landscaping designed for the purpose of conserving energy
Efficient energy use, minimizing the amount of energy used for a given, constant energy service
Energy conservation, reducing energy consumption by using less of an energy service
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