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PostPosted: Wed Jun 12, 2013 5:39 pm 
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http://sciencealert.com.au/news/20131206-24477.html

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UOW scientists have developed a novel way to turn sea water into hydrogen, for a sustainable and clean fuel source.

Using this method, as little as five litres of sea water per day would produce enough hydrogen to power an average-sized home and an electric car for one day.


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PostPosted: Wed Jun 12, 2013 5:45 pm 
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Hydrogen is sooooooo much more "the future of fuel" than electric cars and so forth.

I can't wait to for somebody to do with hydrogen what Tesla has done with electric cars.

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PostPosted: Wed Jun 12, 2013 7:00 pm 
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Make them kinda cool and hugely expensive?

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PostPosted: Wed Jun 12, 2013 7:05 pm 
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Hugely expensive? You counting the free-charging-for-life part?


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PostPosted: Wed Jun 12, 2013 7:10 pm 
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PostPosted: Wed Jun 12, 2013 7:15 pm 
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Lenas wrote:
Hugely expensive? You counting the free-charging-for-life part?


Are they going to pay my power bill too? I had not heard of any free charging for life program. If there is, neat.

And yes, a $70-$100k car is hugely expensive.

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PostPosted: Wed Jun 12, 2013 7:21 pm 
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Müs wrote:
Make them kinda cool and hugely expensive?


Tesla will allow you to charge for free at any of their network of charging stations.

This assumes that a company doesn't change it's mind later, or fine print "for life" to the extent that it's much reduced. Personally I don't buy it.


My point was more along the lines of: build their own infrastructure (charging stations) in order to convince people to buy cars. People won't buy hydrogen cars (even if economically priced) because they have no where to fill up. Nobody will build a filling station because nobody owns the cars. Catch 22.

Tesla, to their credit, decided to build their own stations. I don't know how long it will last, but the point is they decided to try and break the Catch 22. That's what hydrogen needs.

Afterwhich point, we can tell the entire middle east region to **** off. Which would be swell.

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PostPosted: Wed Jun 12, 2013 7:29 pm 
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Ah. I see.

So on their map, there are zero stations in Las Vegas. Nor will there be any up through 2015.

So while in theory, a good idea... Still pretty useless to most people. If I were to travel to CA, ok, cool, but going anywhere else? Not so much.

Electric cars are not the future. The range issues as well as battery cost and weight are hard limiters. Hydrogen likely is.

And I agree about the infrastructure limitations. I would totally get a Honda FCX Clarity if there were places I could fuel it here in Vegas.

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PostPosted: Wed Jun 12, 2013 7:32 pm 
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Müs wrote:
Electric cars are not the future. The range issues as well as battery cost and weight are hard limiters. Hydrogen likely is.


Exactly my intended sentiment in this thread.

Arafys wrote:
And I agree about the infrastructure limitations. I would totally get a Honda FCX Clarity if there were places I could fuel it here in Vegas.


Yes, indeed. And to be clear, the desire to input the infrastructure on their own is the only reason to like Tesla Motors.

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PostPosted: Wed Jun 12, 2013 7:43 pm 
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Ok. We're on the same page then ;)

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PostPosted: Wed Jun 12, 2013 7:51 pm 
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Note that the original post indicates they are using the hydrogen to charge their electric cars...

:?


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PostPosted: Wed Jun 12, 2013 8:06 pm 
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Running the car directly on hydrogen would be better. Personally I think natural gas is better still. We have the gas running down most of the streets in the US, so all you need to do is add a compressor pump to your garage or filling station. The range is such that even I could go most days without a refill. Also existing cars can be converted reasonably.

That said I think heavy water /hyrdogen could be useful for stationary power generation.

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PostPosted: Wed Jun 12, 2013 8:12 pm 
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Oh, while I'm on the subject.

http://www.hometownstations.com/story/2 ... on-in-ohio


This is how the alternative fuel industry is likely to pan out with fleets making their own stations and allowing others to use them to offset the cost.

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PostPosted: Wed Jun 12, 2013 9:21 pm 
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Midgen wrote:
Note that the original post indicates they are using the hydrogen to charge their electric cars...

:?


That seems kinda *** backwards.

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PostPosted: Thu Jun 13, 2013 10:26 am 
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Midgen wrote:
Note that the original post indicates they are using the hydrogen to charge their electric cars...

:?


As far as I can tell, that's because they're using it for home power generation. You would then charge the car from your home supply.

That said, if they're advancing it to the home level, improved (independent) car power isn't far behind. It's just the micro version of the same tech. Honda Clarity is already out there, just too expensive (and no infrastructure).

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PostPosted: Thu Jun 13, 2013 10:27 am 
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It should also be noted, on the CNG thing, UPS has already changed over most of their vehicles.

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PostPosted: Thu Jun 13, 2013 10:33 am 
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Rorinthas wrote:
That said I think heavy water /hyrdogen could be useful for stationary power generation.


Why would heavy water be in any way advantageous to a hydrogen cell engine? They aren't fusion engines.


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PostPosted: Thu Jun 13, 2013 4:45 pm 
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Brain fart

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PostPosted: Fri Jun 14, 2013 1:16 am 
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DFK! wrote:
Hydrogen is sooooooo much more "the future of fuel" than electric cars and so forth.

I can't wait to for somebody to do with hydrogen what Tesla has done with electric cars.



I could tell you about the testing lab they are building at my work but I really can't afford to get fired...

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PostPosted: Sun Jun 16, 2013 2:08 pm 
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Müs wrote:
Midgen wrote:
Note that the original post indicates they are using the hydrogen to charge their electric cars...

:?


That seems kinda *** backwards.


It seems that way, but it's not.

Hydrogen generating electricity and then using that electricity to power electric motors is far more efficient than hydrogen combustion engines directly powering the motors. Not only that, electric powered cars have the potential to be far more powerful than combustion engines directly driving them. The overengineered Bugatti Veyron topped out at about 1000 horsepower. That's nothing for electric motors.

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PostPosted: Sun Jun 16, 2013 3:06 pm 
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Talya wrote:
Müs wrote:
Midgen wrote:
Note that the original post indicates they are using the hydrogen to charge their electric cars...

:?


That seems kinda *** backwards.


It seems that way, but it's not.

Hydrogen generating electricity and then using that electricity to power electric motors is far more efficient than hydrogen combustion engines directly powering the motors. Not only that, electric powered cars have the potential to be far more powerful than combustion engines directly driving them. The overengineered Bugatti Veyron topped out at about 1000 horsepower. That's nothing for electric motors.

Erred... source on both?

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PostPosted: Sun Jun 16, 2013 3:27 pm 
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Even if it's so, there are still currently issues with range and battery replacement.

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PostPosted: Sun Jun 16, 2013 3:29 pm 
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Electric cars are hugely limited by the amount of battery power they can cart around. Electric cars are not the answer. Unless its hydrogen fuel cell tech, then that shows promise. The car that can go a hundred miles then needs a lengthy 6-10 hour charge is not a good thing.

The Veyron SS got to 1250HP. ;)

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PostPosted: Sun Jun 16, 2013 3:49 pm 
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Well, if they were using the Hydrogen to power the motor directly somehow, ... maybe? I dunno...

But they are using it to charge batteries, and using said batteries to power the motor.

I'm not an expert on the subject, but my generally good common sense tells me that powering a car with batteries is a "bad plan (tm)", at least with current battery technology...


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PostPosted: Mon Jun 17, 2013 6:49 am 
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Müs wrote:
Electric cars are hugely limited by the amount of battery power they can cart around. Electric cars are not the answer. Unless its hydrogen fuel cell tech, then that shows promise. The car that can go a hundred miles then needs a lengthy 6-10 hour charge is not a good thing.

The Veyron SS got to 1250HP. ;)


Electric Cars are only limited by the amount of battery power they can cart around because they're currently running of batteries.

That's what Hydrogen could change, if we could manufacture it cheaply (which is the point of the OP.) We use Hydrogen in the fuel cells, and the fuel cells directly power the electric motors. I've read studies of using Hydrogen combustion engines directly (the Mazda Wankel-rotary engine from the RX-7/RX-8 series is apparently most well suited to burning hydrogen with only a minimum of modification) compared to using the hydrogen to generate electricity and using that electricity to run the motors. The latter was far more efficient.

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