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[AB] MIT Develops Liquid Fuel For Electric Cars. - Page 3

post #21 of 43
Quote:
Originally Posted by SectorNine50 View Post
This solves every reason I had to not own an electric car. They never seemed practical due to the fact that you had to charge them for hours before you could drive your next 200 mile stint.

While it is true that power comes from somewhere, power plants powering electric cars is way more efficient and eco-friendly than a bunch of cars powering themselves. Mass production generally means mass efficiency!

...I wonder if we'll start seeing aviation go this way in the near future...?
I doubt it... Since you need a load of power to fly huge jets, and that wont entirely be possible unless you make them a giant flying solar panel... Even still, probably not going to happen any time soon.
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post #22 of 43
Quote:
Originally Posted by rusky1 View Post
I like my torque curves nice and spiky, not flat and boring
This^
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post #23 of 43
Quote:
Originally Posted by JacobKay97 View Post
meh. Hydrogen is where its at.
No idea why no one has made an internal combustion engine that runs on hydrogen, not a fuel cell - a proper engine.
Internal combustion engines that use hydrogen have been made. There are a few issues with it though:

Storage of hydrogen is dangerous, moreso than storing gasoline (in terms of leaks and combustibility, etc.)

Also, hydrogen gas is permeable through most metals and other storage media, so storing hydrogen gas for long periods of time is problematic--hence one of the many reasons that the industry has gone to fuel cells (where the hydrogen is in a different form than gaseous H2) rather than storing pure hydrogen gas.

Quote:
Originally Posted by kyle-reece View Post
why would you combust hydrogen and waste the energy? the hydrogen has to be gotten from crude oil in the first place, that requires a lot of energy itself, to then waste it would be worse for the environment than engines are now!
you don't get much more efficient (90%) than converting straight to energy.
Hydrogen gas doesn't come from crude oil. Well, I guess one could argue that it might come from oil, but that's not where we obtain a majority of the hydrogen that is currently sequestered for various uses.

I'm curious as to what type of "electrolyte" solution is used for these cells. Are we talking mundane sodium chloride, or something that's far more rare in nature, toxic, and more expensive to obtain, refine, and utilize?

I know this is just a prototype idea at this point, but while it might take "the same amount of time as it would to pump ordinary gas" to replenish the batteries, how long would it take to evacuate the "used" electrolyte solution before you can replenish it?
    
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post #24 of 43
we do really need to use direct drive, though motors and electricity, there are so many energy losses in a fuel engine, its quite incredible. plus electric cars boast more torque so with some development could quickly overtake (perhaps litterally ) petrol/diesel cars, its providing that electricity that's the problem. batteries are rather heavy and have a limited life span, plus elements used in them (lithium etc) are not exactly plentiful unfortunately. can't wait to see what we have in the future.
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post #25 of 43
Magnetic motors are the answer. They appeared a few years ago and then just went *POOF*, they were gone. I think Opec had something to do with it.
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post #26 of 43
Quote:
Originally Posted by Obakemono View Post
Magnetic motors are the answer. They appeared a few years ago and then just went *POOF*, they were gone. I think Opec had something to do with it.
All current (pun intended) electric motors are magnetic. To what are you specifically referring?
    
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post #27 of 43
Quote:
Originally Posted by jy360 View Post
we do really need to use direct drive, though motors and electricity, there are so many energy losses in a fuel engine, its quite incredible. plus electric cars boast more torque so with some development could quickly overtake (perhaps litterally ) petrol/diesel cars, its providing that electricity that's the problem. batteries are rather heavy and have a limited life span, plus elements used in them (lithium etc) are not exactly plentiful unfortunately. can't wait to see what we have in the future.
Enjoy.
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post #28 of 43
Quote:
Originally Posted by guyladouche View Post
All current (pun intended) electric motors are magnetic. To what are you specifically referring?
All magnetic, no electricity.
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post #29 of 43
http://en.wikipedia.org/wiki/Honda_FCX_Clarity

hydrogen is not ready for mainstream use.

Now something that is ready to go mainstream for alternative fuel is this.

http://en.wikipedia.org/wiki/Civic_GX


This discovery could be well needed for electrical hybrids.
Edited by Vhati - 6/14/11 at 1:11pm
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post #30 of 43
Quote:
Originally Posted by Obakemono View Post
All magnetic, no electricity.
I mean, how about a link?

How would a magnetic drive system work without electricity, yet provide enough torque to be useful for anything? That's the issue--not because of "opec" or whomever quashing the idea.
    
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