"Bernd Felsche" <bernie@[EMAIL PROTECTED]
> wrote in message
news:gh3le5xise.ln2@[EMAIL PROTECTED]
> [Cross-posting to politics newsgroups zapped]
>
> Fran <Fran.Beta@[EMAIL PROTECTED]
> wrote:
>>On Apr 30, 10:51=A0am, mimus <tinmimu...@[EMAIL PROTECTED]
> wrote:
>>> On Tue, 29 Apr 2008 06:31:07 -0700, a...@[EMAIL PROTECTED]
wrote:
>>> >http://www.cnn.com/2007/TECH/03/09/cars.100mpg.popsci/index.html
>
>>> All three of those techniques mentioned were interesting, and ought to
>>> be
>>> combined in a four-seater.
>
>>I especially liked this ****tion:
>
>>The EPA has built a modified hybrid that uses a hydraulic system, not
>>a battery, to store braking energy. When you press the brakes, the
>>wheels drive a pump that compresses nitrogen gas, which is inexpensive
>>and inert. When you accelerate again, that compressed gas runs the
>>pump in reverse to help power the vehicle.
>
> That must be all of 20% efficient, at best.
>
And why call it 'hydraulic' when it's actually pneumatic, unless they are
recovering so much energy that they are able to compress the nitrogen to a
liquid ???
--
Kwyj.
|
