Breakthrough in hydrogen-powered cars may spell end for petrol stations

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Post by Guest on Tue Apr 07, 2015 11:24 am

Scientists have dramatically increased the efficiency of producing clean hydrogen fuel from plant waste in a breakthrough that could one day lead to petrol stations being replaced by a network of roadside “bioreactors” for refuelling cars.

A study funded by Shell Oil has shown that it is possible to convert all 100 per cent of the sugar stored in corn stover – the stalks, cobs and husks leftover in a harvested maize field – into hydrogen gas with no overall increase in carbon dioxide emissions to the atmosphere.

The researchers perfected the process by mixing the raw biomass with a watery solution containing a cocktail of ten enzymes that turned the plant sugars xylose and glucose into hydrogen and carbon dioxide, said Professor Percival Zhang of Virginia Tech in Blacksburg, Virginia.

Previously it has only been possible to convert between 30 per cent and 60 per cent of the plant’s sugars into hydrogen using either fermenting microbes or industrial catalysts. However, the latest technique converts 100 per cent of the plant sugars into hydrogen, Professor Zhang said.


http://www.independent.co.uk/news/science/breakthrough-in-hydrogenpowered-cars-may-spell-end-for-petrol-stations-10158400.html

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Post by nicko on Tue Apr 07, 2015 2:53 pm

Im sure I read somewhere that two young scientists had discovered a way to run a car on water by some how removing the hydrogen and using it to power the car.It was a long time ago so I can't remember the details.What I do remember is that they both died in a car "accident" and took their discovery to the grave.A few days later their laboratory was destroyed by fire. Coincident any one?
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Post by captain on Tue Apr 07, 2015 3:26 pm

nicko wrote:Im sure I read somewhere that two young scientists had discovered a way to run a car on water by some how removing the hydrogen and using it to power the car.It was a long time ago so I can't remember the details.What I do remember is that they both died in a car "accident" and took their discovery to the grave.A few days later their laboratory was destroyed by fire. Coincident any one?

It would be good to find that story, because I was told the very same thing. Funny how word travels. Smile
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Post by Ben Reilly on Tue Apr 07, 2015 7:32 pm

nicko wrote:Im sure I read somewhere that two young scientists had discovered a way to run a car on water by some how removing the hydrogen and using it to power the car.It was a long time ago so I can't remember the details.What I do remember is that they both died in a car "accident" and took their discovery to the grave.A few days later their laboratory was destroyed by fire. Coincident any one?

Actually, it was probably a hoax -- it would take so much energy to split water molecules into hydrogen and oxygen that it would be far more efficient to run the car on whatever energy source you were using to split the molecules.

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Post by Guest on Tue Apr 07, 2015 7:37 pm

http://cellaenergy.com/

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