question_answer

"Promotion of energy conservation and increased use of renewable energy sources are the twin planks of sustainable energy." Which of the following would be your suggestion for the development of sustainable energy?

A)  Use of power saving devices

B)  More use of non-conventional sources of energy, like wind power, solar power etc.

C)  Habit of using public transport more than the individual vehicles

D)  All of these

E)  None of these