Seems you can run a car on water...
11 January 2009, 08:42 AM
#5
You can run a car on water by breaking it down into oxygen and hydrogen via electrolysis. Whether it can be done witout expending more energy than it releases is another matter...
Although the people who have claimed to perfected this process have a nasty habit of disappearing or dying
Although the people who have claimed to perfected this process have a nasty habit of disappearing or dying
11 January 2009, 08:58 AM
#6
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a car can be run on water but dont forget water is plentiful and cheap so the worlds governments wouldnt make much money from water or be able to start green taxes .
its about making money not saving the world
its about making money not saving the world
I think recent events have proved this.
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11 January 2009, 09:20 AM
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You can run a car on water by breaking it down into oxygen and hydrogen via electrolysis. Whether it can be done witout expending more energy than it releases is another matter...
Although the people who have claimed to perfected this process have a nasty habit of disappearing or dying
Although the people who have claimed to perfected this process have a nasty habit of disappearing or dying
11 January 2009, 09:24 AM
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I thought the bigget problem with this was the cost of ensuring safe storage of the hydrogen.
Last edited by m1cks; 11 January 2009 at 01:55 PM. Reason: change mistake as pointed out
11 January 2009, 09:44 AM
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11 January 2009, 09:55 AM
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11 January 2009, 11:08 AM
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Water is seperated into hydrogen and oxygen by a proess called electrolosys. Its very basic chemistry, but its unfeasable to produce usefull amounts or hydrogen by this method. The problem is that electrolosys requires electricity to work. It all falls down because the amount of electrical energy used to split water is much larger than the energy you gain by burning the hydrogen.
Yes, you can run a car on hydrogen, but where do you get the electricity to make it from? the engine wont produce enough power, so it has to come from somewhere else - ie a power station.
At best, hydrogen fuel shifts the pollution away from the car and to the power station instead. Ideally, we would have large amounts of hydro-electric power stations providing this power, then cars would be truley "green" (apart from their manufacture I suppose).
I saw a video online , which I cant find again sadly, about some chap who claimed to have discovered a version of electrolosys that produced hydrogen in massive quantities compared to the input current. He was derided as this went against some laws of physics and chemistry, but he was convinced it was for real. He died before he could take it any further iirc.
Hydrogen is also quiet unsafe to store and transport compared to petrol - it couldnt be pumped around the country like natural gas, and even steel tanks have a limited lifespan as the hydrogen seeps through the metal.
Top Gear and a few other sources have put a positive spin on hydrogen, but there are a few very basic problems that would have to be solved before it could become widespread. If you could solve the storage issues, and find a way to produce it in large quantities, you would be a very rich man indeed. Or you would be murdered by OPEC, if you are into the tinfol hat stuff.
Yes, you can run a car on hydrogen, but where do you get the electricity to make it from? the engine wont produce enough power, so it has to come from somewhere else - ie a power station.
At best, hydrogen fuel shifts the pollution away from the car and to the power station instead. Ideally, we would have large amounts of hydro-electric power stations providing this power, then cars would be truley "green" (apart from their manufacture I suppose).
I saw a video online , which I cant find again sadly, about some chap who claimed to have discovered a version of electrolosys that produced hydrogen in massive quantities compared to the input current. He was derided as this went against some laws of physics and chemistry, but he was convinced it was for real. He died before he could take it any further iirc.
Hydrogen is also quiet unsafe to store and transport compared to petrol - it couldnt be pumped around the country like natural gas, and even steel tanks have a limited lifespan as the hydrogen seeps through the metal.
Top Gear and a few other sources have put a positive spin on hydrogen, but there are a few very basic problems that would have to be solved before it could become widespread. If you could solve the storage issues, and find a way to produce it in large quantities, you would be a very rich man indeed. Or you would be murdered by OPEC, if you are into the tinfol hat stuff.
Last edited by David_Dickson; 11 January 2009 at 11:09 AM.
11 January 2009, 11:46 AM
#20
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Water is seperated into hydrogen and oxygen by a proess called electrolosys. Its very basic chemistry, but its unfeasable to produce usefull amounts or hydrogen by this method. The problem is that electrolosys requires electricity to work. It all falls down because the amount of electrical energy used to split water is much larger than the energy you gain by burning the hydrogen.
Yes, you can run a car on hydrogen, but where do you get the electricity to make it from? the engine wont produce enough power, so it has to come from somewhere else - ie a power station.
At best, hydrogen fuel shifts the pollution away from the car and to the power station instead. Ideally, we would have large amounts of hydro-electric power stations providing this power, then cars would be truley "green" (apart from their manufacture I suppose).
I saw a video online , which I cant find again sadly, about some chap who claimed to have discovered a version of electrolosys that produced hydrogen in massive quantities compared to the input current. He was derided as this went against some laws of physics and chemistry, but he was convinced it was for real. He died before he could take it any further iirc.
Hydrogen is also quiet unsafe to store and transport compared to petrol - it couldnt be pumped around the country like natural gas, and even steel tanks have a limited lifespan as the hydrogen seeps through the metal.
Top Gear and a few other sources have put a positive spin on hydrogen, but there are a few very basic problems that would have to be solved before it could become widespread. If you could solve the storage issues, and find a way to produce it in large quantities, you would be a very rich man indeed. Or you would be murdered by OPEC, if you are into the tinfol hat stuff.
Yes, you can run a car on hydrogen, but where do you get the electricity to make it from? the engine wont produce enough power, so it has to come from somewhere else - ie a power station.
At best, hydrogen fuel shifts the pollution away from the car and to the power station instead. Ideally, we would have large amounts of hydro-electric power stations providing this power, then cars would be truley "green" (apart from their manufacture I suppose).
I saw a video online , which I cant find again sadly, about some chap who claimed to have discovered a version of electrolosys that produced hydrogen in massive quantities compared to the input current. He was derided as this went against some laws of physics and chemistry, but he was convinced it was for real. He died before he could take it any further iirc.
Hydrogen is also quiet unsafe to store and transport compared to petrol - it couldnt be pumped around the country like natural gas, and even steel tanks have a limited lifespan as the hydrogen seeps through the metal.
Top Gear and a few other sources have put a positive spin on hydrogen, but there are a few very basic problems that would have to be solved before it could become widespread. If you could solve the storage issues, and find a way to produce it in large quantities, you would be a very rich man indeed. Or you would be murdered by OPEC, if you are into the tinfol hat stuff.
11 January 2009, 03:03 PM
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11 January 2009, 03:15 PM
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