How Ares Uses Gravity to Store Excess Power

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Dec. 2 (Bloomberg) –- “Planet Forward” Host Frank Sesno reports on how Ares stores excess power using gravity. He speaks with Emily Chang on Bloomberg Television’s “Bloomberg West.” (Source: Bloomberg)

Energy future by looking to railroads.

Wind and solar.

Great ideas, totally renewable, but one of the big questions, when the sun is shining and the wind is blowing, is there an efficient way to store excess power?

These guys had an idea, and they uploaded it to

Their innovation, use excess solar and wind to power a car uphill.

And water generate electricity.

When wind and sun stop, let gravity go to work.

Coming back down hill.

Giving back to the grid.

They say this could be even cheaper and environmentally friendlier than other power, because no valley would have to be flooded, no dams built.

This could be equivalent to how or half a million homes with just eight miles of track and 800 cars.

It is a process we retake a mass that is twice as much as water, which is what we have here, and we lift it three times higher, so six times more energy production that out oh and equivalent amount of water -- and then out of an equivalent amount of water.

--the -- than out of an equivalent amount of water.

Something outside of fossil fuels, and i think that is important.

During the electricity from sun and wind.

It would make renewables more valuable and move the planet forward.

And frank is with us from washington.

Frank, this could be the key to america's energy future, that is quite a proclamation for this provocative concept, but i imagine there are some challenges with it.

Lots of challenges.

First of all, you have to have an uphill grade, does you have to put them up hill so you can generate power.

Secondly, there is still cost involved.

This is still expensive stuff.

But, emily, here is the thing.

If we are going to move away from fossil fuels, we have to crack the code on energy storage.

As i mentioned, they have a pilot plant outside of bakersfield.

Stay are looking at doing these outside in places like germany, where the top of her fee would lend it self like this -- to this.

In california, one third of the power generated by renewables it holds some possibility.

They say it costs about the same to build as a store and hydro plant but without all of that environmental disruption, so we

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