waste of energy in a sentence

Examples

1. So the energy lost to the environment by heat engines is a major waste of energy resources.
2. What a waste of energy and time.
3. It's a waste of energy and time.
4. Spending time searching for that one specific needle in the haystack is a waste of energy and resources.
5. The astronomers appealed to the developers'sense of cost-cutting by explaining that light pollution is a waste of energy.
6. The CCP called the suggestion " a waste of energy " in a statement broadcast on government-controlled radio.
7. U . S . coach Bruce Arena said it was a waste of energy speculating on the draw.
8. It's not a sign of creativity to have 65 ideas for one problem, that's just a waste of energy.
9. It's a waste of energy.
10. This gait would be done at slow speeds since hopping at slow speeds would be a waste of energy.