[geeks] Global Warming questions...

[Sridhar Ayengar]

Sandwich Maker wrote:
> " > Actually electric cars produce more pollutions due to losses in  
> " > conveting
> " > heat into electricty because there are more conversion steps where you
> " > loose energy.  The only way they reduce pollution is if they are  
> " > charged
> " > by wind, solar or other sustainable means.
> 
> but large util power plants are considerably more efficient than your
> car's engine running at part throttle.  they're more efficient even if
> your car's a diesel.
> 
> " ...and if batteries magically become pollution free... :)
> 
> this is imho the dirty little secret about current electric and/or
> hybrid cars.  i wonder what the recycling impact of all those prius
> battery packs will be?

Because of the two above points, why not just use hydrogen as the 
storage medium, acquired through electrolysis of water?

Peace...  Sridhar