alt.energy.renewable

"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.