Re: Hydrogen Production Method Could Bolster Fuel Supplies

From: Roland PJ (roland_at_rolandpj.com)
Date: 12/09/04 

Date: Wed, 08 Dec 2004 22:27:44 -0800

Bill Ward wrote:
> On 7 Dec 2004 02:53:26 -0800, alexterrell@yahoo.com wrote:
>
>
>>Yes, being hit by a one ton battery would not be nice. Luckily, plug in
>>hybrids will only need about 100kg of batteries, with an energy density
>>much lower than that of gasoline. Indeed, even with the equivelant
>>range, batteries need about 20% of the energy contrent of fuel.
>
>
> Alex, could you tell me how you come to that conclusion?
> Are you assuming that ICE only get 20% efficiency?

Bill, that is exactly his assumption. Note that that's efficiency to
wheel. It's conservative in the commuter cycle, but liberal on the open
road.

Roland

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