On Apr 30, 6:16=A0pm, "Kwyjibo" <kwyj...@[EMAIL PROTECTED]
> wrote:
> "Bernd Felsche" <ber...@[EMAIL PROTECTED]
> wrote in message
>
> news:gh3le5xise.ln2@[EMAIL PROTECTED]
>
>
>
>
>
> > [Cross-posting to politics newsgroups zapped]
>
> > Fran <Fran.B...@[EMAIL PROTECTED]
> wrote:
> >>On Apr 30, 10:51=3DA0am, 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 portion:
>
> >>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 ???
>
Fair point. Maybe the journo thought that up
Fran
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