use energy

After about a year of training, they used just 1.8 times as much energy.

You are using energy all the time, even at rest.

On a local level, you can help by using less energy.

Of course, we also use energy to move around during the day.

We want to use our energy in a good way.

We have enough to go, but only if all our energy is used.

More than half the energy used during 1975 was provided by oil.

Though the very same crowd are 100% against people using energy.

Because want to catch up with us and we're already using too much energy.

One of the main problems in Europe today, however, is that we are using far too much energy.