alt.energy.renewable

"News" wrote in message news:ftjb5r$oo1$2@aioe.org...
>
> "Bob F" wrote in message
> news:gKCdndqTDsUxZ2HanZ2dnUVZ_gudnZ2d@comcast.com...
>>
>> "News" wrote in message news:fti27d$73e$2@aioe.org...
>>>
>>> "Bill Kaszeta / Photovoltaic Resources" wrote in message
>>> news:47fc1e32.44714215@news.west.cox.net...
>>>> On Wed, 9 Apr 2008 00:38:36 +0100, "News" wrote:
>>>>
>>>>>
>>>>>"Rob Dekker" wrote in message
>>>>>news:k8BJj.910$GO4.696@newssvr19.news.prodigy.net...
>>>>>> How should the ultimate ideal hybrid car work ?
>>>>>
>>>>>> Of course, the only problem is how to store 100,000 Joule with near 100%
>>>>>> efficiency, and be able to charge/discharge in 5 seconds.
>>>>>
>>>>>Use compressed air. It is free as well.
>>>>>
>>>>>
>>>> Where does one get FREE compressed air?
>>>
>>> No expensive batteries. Look at an air tank as the battery case. The
>>> battery has a expensive stuff inside that wears out out. The air tank
>>> doesn't wear out and cheap to make.
>>>
>>> Braking gives free compressed air. A battery is an accumulator storing
>>> energy and giving it out. Compressed air can do it cheaper in capital cost
>>> and running. A hybrid petro/air car is the answer.
>>>
>>> Wow! a French company have done it, and had one running for 10 years, using
>>> the same engine not two separate motors as in petro/electric hybrids. So,
>>> cheap to make and run and clean running too. Air does not pollute and no
>>> problems with battery disposal.
>>
>> And inefficiencies way higher than batteries.
>
> A battery cannot store all the energy generated by brake regen. Toshiba claim
> to have a battery in development that can store most of the charge directed at
> it. All the compressed air generated by brake regen can be stored.
>

The compressed air can be stored. Large amounts of the energy is however lost.
Compressingt air is highly inefficient.