They're far more efficient in terms of energy.

Of course they must be more energy efficient.

Most efficient killing machine ever invented.

I'm the most efficient guy in town.

Since we don't have to use additional energy, it is very cozy and energy efficient.

like buying energy efficient appliances, putting in efficient lights, turning the lights off occasionally, insulating our homes?

And if you do the energy budget, the data transmission comes for free highly energy efficient.

The grid of tomorrow is no grid, and energy, clean efficient energy, will one day be free.

And so if I run my new energy efficient house forward, compared with the old, non energy efficient house, we make it back in about six years.

Can you guess which cooler is the most efficient?

But it's not really what is probably most efficient.

It's not the most efficient way to sort things.

This building is also energy efficient, a very small amount of energy is needed to keep the house functioning.

In the same fashion, a more efficient engine that uses less energy will, paradoxically, lead to greater energy use.

Which air conditioner do you think is the most efficient?

Because patterns are the most efficient gateway into the mind.

We should pursue more energy efficient lifestyles, absolutely. How far can we go, though?

So it is better, it is safer it is affordable, it is energy efficient.

So the most efficient implementations of search actually have both representations.

We should make the most of solar energy.

I'm efficient.

I'm efficient.

When Efficient

Be efficient.

He's efficient.

And it turns out that a sound like this is the most energy efficient and practical way to transmit their call across the fields and savannahs.

This behavior is energy efficient in an environment where calories can be hard to come by.

Until today, I have created an affordable, portable, energy efficient roaster, that produces an excellent result.

Japan imports most of the energy resources it needs.

BG An energy breakthrough is the most important thing.

It's what I'm devoting most of my energy to.

The elevator's by far the most efficient way to get around the factory.

Recycling will not solve the problem, as it requires energy, and the process is not 100 efficient.

They're very efficient.

It's less efficient.

The most exciting hands on activity is a competition to build the most efficient Styrofoam water wheel. gt gt Teacher

Don't worry, though, we have one of the most efficient police forces in the country.

Everything is very efficient.

He's efficient, he's precise.

Blue Energy is the answer to your world's most pressing concerns.

And fire signals are the most efficient of all devices which aid us to do this.

That's what most of electricity and the energy in the world is.

Efficient machinery replaced manual labor.

But a very efficient reaction.

It is not very efficient.