ENERGY

Energy and powered devices are an integral part of society.

?Powered devices using natural energy sources such as water and wind were introduced by the Ancient Greeks and were commonly used until the 18th century steam engine revolutionized the way devices could be powered.

?The Industrial Revolution led to the massive use of coal as fuel, and the extraction of petroleum and various other oils became extremely important with the advent of internal combustion engines.

Energy conservation is considered as a quick and economical way to solve the problem of power shortage as also a means of conserving the country’s finite sources of energy.