Dozens of nuclear power permits are being considered, adopting new techniques since the last US plant came on line a generation ago. http://www.nrc.gov/reactors/new-licensin...
QSI Quantumsphere has a nano material that makes electrolysis of water into hydrogen and oxygen up to 85% efficient, making it possible you can produce the hydrogen as you drive instead of having to store it in a tank in your car.
http://www.qsinano.com/white_papers/2006...
Ethanol from switchgrass (not corn) : %26quot;yields from a grass that only needs to be planted once would deliver an average of 13.1 megajoules of energy as ethanol for every megajoule of petroleum consumed%26quot; per http://www.sciam.com/article.cfm?id=gras...
Fusion reactions can be sustained for longer periods, still not enough to be very useful other than for research but eventually that will be a good energy source.
There are no %26#039;new energy solutions%26#039; that anyone is %26#039;hiding%26#039; that I am familiar with.
I also can not think of any valid reason why there may be some sort of a %26#039;Cover Up%26#039; or conspiracy.
Credible reference please (no conspiracy %26quot;theories%26quot;).
Edit:
Nevada,
Of course there will be profit from whatever new source of energy that comes around. The government will find a way.
