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post #11 of 126
Wouldn't be surprised if this firm suddenly became "haunted."
    
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post #12 of 126
Quote:
Originally Posted by schmotty View Post

But then when you burn it, won't it produce carbon dioxide?

5 units of C taken out of the air
5 units of C put back in air by combustion

5 - 5 = 0 net change of C -> carbon neutral
    
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post #13 of 126
It has taken them since August to produce 5 liters of petrol... and no mention of how much energy it took to produce the 5 liters.
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post #14 of 126
Quote:
Originally Posted by mad0314 View Post

Wouldn't be surprised if this firm suddenly became "haunted."

This. Every time someone comes up with something better than the oil companies, they vanish and we never hear from them again. Scary, but fact. Look into that guy from Texas that made a carburetor system that made old inefficient cars do 90+ mpg.
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post #15 of 126
Quote:
Originally Posted by piemasterp View Post

Watch it use more energy than it creates.

It certainly will require more energy than what's present in the petrol. No mechanical system is 100% efficient.
Quote:
Originally Posted by schmotty View Post

Quote:
The fuel that is produced can be used in any regular petrol tank and, if renewable energy is used to provide the electricity it could become "completely carbon neutral".

But then when you burn it, won't it produce carbon dioxide?

You'd release the same amount of carbon by burning it as was absorbed by making it. There's a net change of zero, assuming the electricity to produce it came from wind/hydro/solar/nuclear.
post #16 of 126
Quote:
Originally Posted by piemasterp View Post

Watch it use more energy than it creates.

Energy conversion is never 100% efficient. Hell, as it stands, it will only need to run at 25% efficiency to be economical. If that. Batteries are still really, really, really bad for automotive purposes. I can stuff much more energy into a pound of gas or diesel compared to a pound of the world's best battery. Now, granted, electric motors are far more efficient than internal combustion engines, I believe there's still more usable energy per pound of gasoline or diesel compared to batteries.

Not to mention, batteries used in cars still use pretty valuable and increasingly scarce metals. But, I'll give the benefit of doubt that if we poured enough money into R&D, we could eliminate that problem.


Edit:
According to wikipedia, the best lithium ion batteries have an energy density of 2.23MJ/L, and diesel fuel can have up to 36.4MJ/L.

2.23MJ/L * 95% efficient electric motor = 2.12MJ/L usable
36.4MJ/L * 20% efficient diesel engine = 7.2MJ/L usable

That's a best case scenario for electric cars, too, as diesel engines are usually more efficient than that, and electric motors aren't usually that efficient. Even if you factor in the fact that electric cars have more room to store batteries than conventional cars have room to store fuel, it still probably wouldn't make up the difference.
Edited by videoman5 - 10/19/12 at 3:42pm
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post #17 of 126
This technology isn't exactly new. The method is though, I remember seeing something quite a while ago (first aired in 1997 or '98) where a couple of guys made petrol in a similar way, except using the sun. I can't find a video of it right now on youtube.

They said to make 5 litres of petrol will take on average around 1 week depending on how many clouds there are.
    
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post #18 of 126
Quote:
Originally Posted by piemasterp View Post

Watch it use more energy than it creates.

As with anything we produce, that will have to be the case, until we find a 100% efficient method of production, which may be impossible.

This would be a trade-off. Take something like nuclear power to run this and create gasoline, so we don't have to worry about running out. We just run into other problems like continuing to pollute the world with exhaust/emissions.
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post #19 of 126
Another "revolutionary" inventory that will save the planet by a bunch of geniuses that think the electricity coming out of their plugs appears there by magic.

It's like all the people who are convinced electric cars will save the environment, but who never consider where all the electricity to power those cars will come from.
post #20 of 126
This is not a naturally occurring exothermic process guys. A nuclear power plant would lose efficiency generating power to create oil used in cars versus just generating electricity, but this technology means that cars can use gas without contributing to global CO2, since whatever CO2 is generated from the gas is reabsorbed when more gasoline is created, thus being carbon neutral.
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