>>RE: "Oil Giants" would make them very rich to keep it off the market.
>>
>>Since it's Friday, can you expand on this?  Specific instances where this
>>has happened?  Patent numbers? Court records? Anything where the "Oil
>>Giants" have suppressed such an invention?  Is this why, for example, BP is
>>one of the worlds largest providers of solar cells?  All facts on the
>>subject appreciated.

Well, Chevron-Texaco does own the patent on the NiMH battery but won't license it for use in batteries large enough for use in an electric car.  Toyota had a nice electric RAV4 until the patent was enforced.