There will be an energy crisis in the near future. ✬

We must reduce energy demand. ✬

What a waste of energy! ✬

The house is heated by solar energy. ✬

I no longer have the energy to talk. ✬

Children are full of energy. ✬

We must develop renewable energy sources. ✬

I spent all my energy on that project. ✬

Young people are usually full of energy. ✬

We need to develop a new kind of energy. ✬