EM Chapter 9.4.2

Energy Efficiency https://www.eesi.org/topics/energy-efficiency/description Energy efficiency simply means using less energy to perform the same task – that is, eliminating energy waste. Energy efficiency brings a variety of benefits: reducing greenhouse…

Efficient energy use https://en.wikipedia.org/wiki/Efficient_energy_use From Wikipedia, the free encyclopedia For other uses, see Energy efficiency (disambiguation).   Energy intensity of economies (1990 to 2015): Energy intensity is an indication of how much…