I just found this yesterday. They claim they will be able to produce "bio gas" for ~1.10 to 1.50 per gallon retail.
http://news.zdnet.com/2422-13748_22-191798.html
I've also been looking into renting solar panels. I live in the Houston, TX area and we get a lot of sun. I also have a 184 foot long barn that I can put the panels on! It's a $500 up front charge and then you pay only for the kilowatts you use. This is the one Ed Begley is promoting.
MG
"There are two ways of constructing a software design. One way is to make it so simple that there are obviously no deficiencies. And the other way is to make it so complicated that there are no obvious deficiencies."
Tony Hoare
"If you think it's expensive to hire a professional to do the job, wait until you hire an amateur." Red Adair.