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Here’s an unusual idea: Run electric trucks downhill as an alternative to dams
Posted on 3/16/22 at 10:55 am
Posted on 3/16/22 at 10:55 am
quote:
The new idea “consists of using an electric truck to transport water down a mountain and transform the potential energy in the water into electricity to charge the trucks battery,” says Julian Hunt of the International Institute of Applied Systems Analysis in Austria, who led the new study.
The concept would require mountainous roads, but would work with small rivers and streams that would not be sufficient for conventional hydropower. Hunt explains that truck containers would be filled with water from rivers at the top of a mountain. It could take up to 3 hours to fill the container. When the tank is full, the truck would go downhill. The driver would need to use the brakes during the downhill ride, which would charge the truck’s battery with the regenerative braking system.
At the bottom, water from the tank would be released back into the river, and the truck’s battery would be removed to provide electricity to the local grid. Then the truck would return with an empty tank and another battery with just enough juice to get the truck up the hill.
“If electric truck hydropower is combined with cargo transportation, It could substantially reduce fuel consumption in regions with high mountains,” Hunt says. Take for example trucks that are ferrying cargo from Washington state to Pittsburgh. On the return trip, just after the trucks cross the Appalachian Mountains, their tanks could be loaded with water and they could then charge their batteries on their drive down the mountains.
Of course, implementing the idea on a large scale would require many electric trucks. Assuming that each truck battery has a power capacity of 0.25 MW, it would take 4,000 trucks to generate 1 Gigawatts of power. At an electric truck cost of $150,000, that power would cost $600 million. “The same capacity for wind power would cost $1,200 million,” he says.
If such a system could indeed be realized worldwide, Hunt and his colleagues calculate that an electric truck hydropower system could generate 1.2 petawatt-hours of energy per year, or about 4 percent of global energy consumption in 2019. The system should cost about $30–100 per megawatt-hour, they estimate. Conventional hydropower, by contrast, costs $50–200 per MWh.
LINK
This post was edited on 3/16/22 at 11:45 am
Posted on 3/16/22 at 10:58 am to hikingfan
Yeah, this seems well thought out and sustainable.
Posted on 3/16/22 at 11:00 am to hikingfan
how's the truck/tank gonna get back to the top of the mountain?
frickING RETARDED
Posted on 3/16/22 at 11:00 am to hikingfan
quote:
Here’s an unusual idea: Run electric trucks downhill as an alternative to dams
Add this to the running list of "back before we switched" parties line of reasoning coming in a not so distant future.
Posted on 3/16/22 at 11:01 am to hikingfan
This sounds like a really complicated bastardization of the idea behind water towers.
Posted on 3/16/22 at 11:02 am to hikingfan
This sounds about as good as my idea inventing an outtertube to replace inner tubes because they keep the outside air inside the tube and it doesn't leak inside air out.
Posted on 3/16/22 at 11:02 am to hikingfan
quote:
At an electric truck cost of $150,000, that power would cost $600 million. “The same capacity for wind power would cost $1,200 million,” he says.
And how much would clean coal cost?
Posted on 3/16/22 at 11:04 am to LSUBoo
quote:
Yeah, this seems well thought out and sustainable.
Actually seems pretty smart. In fact, if the U.S. would build only downhill roads and highways gas mileage would go through the roof.
Think about it!!
Posted on 3/16/22 at 11:04 am to udtiger
quote:
how's the truck/tank gonna get back to the top of the mountain?
it's an EV, just leave it at the bottom.
Posted on 3/16/22 at 11:04 am to udtiger
quote:
how's the truck/tank gonna get back to the top of the mountain?
frickING RETARDED
quote:
Then the truck would return with an empty tank and another battery with just enough juice to get the truck up the hill.
It’s a silly idea, but they did actually cover that part
Posted on 3/16/22 at 11:05 am to hikingfan
Here's some other good ideas:
Get me Elon Musk on line 1!
Get me Elon Musk on line 1!
Posted on 3/16/22 at 11:05 am to Tridentds
quote:
Actually seems pretty smart. In fact, if the U.S. would build only downhill roads and highways gas mileage would go through the roof.
Think about it!!
Plus kids could walk uphill to school both ways just like our parents did!
Posted on 3/16/22 at 11:05 am to hikingfan
It's like these folks have never heard of entropy, friction, etc. and treat a cost reduction efficiency as some sort of magical "free" energy.
Posted on 3/16/22 at 11:06 am to hikingfan
Environmentalists: "So we use trucks to generate energy going up and down the mountain carrying water, water stays clean, energy produced, it's a win!"
America: "you know what we could also do, we could deforest the shite out of the mountain and use the trucks to bring down the logs all while creating the energy!"
Environmentalists: "NO NO NO WAIT"
America: "you know what we could also do, we could deforest the shite out of the mountain and use the trucks to bring down the logs all while creating the energy!"
Environmentalists: "NO NO NO WAIT"
Posted on 3/16/22 at 11:08 am to Joshjrn
quote:
It’s a silly idea, but they did actually cover that part
The amount of energy created would likely be minimal, but net energy would be created. The infrastructure and costs would likely make the energy cost prohibitive.
Posted on 3/16/22 at 11:09 am to hikingfan
I've got an even better idea
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