Ok a question for you science ponderers: The Honda Clarity; it is a hydrogen car, what do you think the impact will be to the envrionment?

Sure, it burns hydrogen and expels water (vapor).   IF this became the "car of the future" could we be possibly creating an over abundance of water on the planet (not that WE would notice, but our grandchildren might)? 

What are your thoughts on this? 

Honda Clarity


Picture of Ok a question for you science ponderers:  The Honda Clarity; it is a hydrogen car,  what do you think the impact will be to the envrionment?
sort by: active | newest | oldest
1-10 of 48Next »
CrayfishYAY6 years ago
God made it where water is always the same. & I just learned about the Law of Conservation of Mass in science class! Mass cannot be created or destroyed.
Goodhart (author)  CrayfishYAY6 years ago
Water can be broken down into it's elemental state of two atom of hydrogen and one of oxygen. These elements also exist almost everywhere, in nearly everythign. Using the elements of those products to burn (which creates water) will produce more water.

Explain that mass can not be created nor destroyed to "virtual particles" ;-)
Ah, but they're "virtual" because you don't see them. In particular, they exist for a time shorter than the Heisenberg limit.
Goodhart (author)  kelseymh6 years ago
To quote Krauss: "If, during the time when one of these virtual particles happens go be 'doing it's thing' it absorbs enough energy by colliding with a real particle so that energy-momentum is no longer violated by its existence, then the particle can become 'real'. It need no longer disappear back into the vacuum after a short time. "

Of course, this is proably mostly unobserved of not totally unobserved. But it explains a few things.
Yes, indeed, but by construction that sort of interaction (such as bremsstrahlung) conserves energy-momentum, and so doesn't need to disappear within the uncertainty time.
Goodhart (author)  kelseymh6 years ago
Yes, and this whole idea of symetry and gauge invariance fascinates me too. (I'm still reading LOL).  
NachoMahma6 years ago
. An internal combustion engine (ICE) makes a lot of water. That's where almost all of the hydro in hydrocarbon goes when it is burned. A hydrogen-powered engine wouldn't contribute to any excess water problem that may exist (if there is one) any more than current gasoline-powered cars.
. If one uses electricity from the grid to make Hydrogen, then the water produced at the generator is added to the equation. But then, you're probably using water to make the Hydrogen, so it would be a wash.
. If one uses, solar/wind&c, then you'd still be making water, but the carbon footprint would be zero.
. Acccckkk! In all cases, you will be making the Hydrogen from water (is there another viable process?), so it's a break even deal.
Goodhart (author)  NachoMahma6 years ago
That is, if the hydrogen is actually gotten from water. Is that the case though? I have seen the Clarity test run on Top Gear. Looks nice, runs nice, and yet, nothing was said about where they got the hydrogen at the pump.

I saw this: Fossil fuel currently is the main source of hydrogen production...
. There are other ways to get Hydrogen. Steam reforming of hydrocarbons is one of the more common. If you use fossil fuels anywhere in the process, there will be carbon and water emissions.
1-10 of 48Next »