Energy Efficiency

Meaning of Energy efficiency is using less energy to perform the same task with same output. means eliminating energy waste. We get variety of benefits from Energy efficiency.This reduces greenhouse gas emissions, demand for energy imports, and lowering costs on a household and economy-wide level.



In designing of building we must check to optimize building efficiency and also maximize use of renewable energy technologies, leading to the creation of Green-Energy buildings. Little changes in existing buildings can also be made to reduce energy usage. These may include small steps, such as maximizing Day light use or installation of LED light bulbs and energy efficient appliances, or larger efforts such as upgrading insulation and weatherization.

Energy Generation and Distribution

Combined heat and power systems in power generation plants capture the “waste” heat from power plants and use it to provide heating, cooling, and/or hot water to nearby buildings and facilities. This increases the energy efficiency of power generation from approximately 33 percent to up to 80 percent. The smart grid is another system that will improve the efficiency of electric generation, distribution, and consumption.


More energy efficient vehicles are future’s demand as more requirement of fuel to satisfy need of all consumers.  With high efficiency vehicles the demand of fuel will be less. This generates fewer emissions, and makes them significantly less expensive to operate. Plug-in hybrids and fully electric vehicles are particularly fuel efficient.


Freight can be moved more efficiently by improving the efficiency of rail and truck transportation and by shifting long-distance freight transport from trucks to rail.

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