Several, the answers generally reflecting who funded the study. The studies done by big oil or the hater groups say bio-d is terrible and uses as much energy as it brings in. They'll study using soy oil grown in the desert with intensive irrigation using deep well pumps and plowed fields. They'll include factors like recovering sediment that runs off after they plow or over-water and they'll assume the left over stuff after they're done is thrown away.
The bio-d lovers will extract oil from used coffee beans or assume used oil can be collected in greater volume than actually exists and assume it isn't used for any other purpose... I figure the reality is somewhere in between, bio-d has a use and can fill a small need. It isn't a silver bullet but a piece of the pie. I've read promising sounding results from both extracting oil from coffee grounds left over from large coffee-drink production and from algae. Neither is a perfect solution but the results sound hopeful. -Curt Date: Tue, 6 Dec 2011 12:05:29 -0500 From: "Scott and Gwen Ritchey" <ritche...@nc.rr.com> To: "'Mercedes Discussion List'" <mercedes@okiebenz.com> Subject: Re: [MBZ] global warming Message-ID: <76D8FB99810F4D1DB7641B6D9C0FE6CC@ScottPC> Content-Type: text/plain; charset="us-ascii" Has anyone read an analysis of how bio-Diesel stacks up? Economically? Energy efficiency (BTU to produce vs BTU produced)? Comparison to other solar methods? _______________________________________ http://www.okiebenz.com For new and used parts go to www.okiebenz.com To search list archives http://www.okiebenz.com/archive/ To Unsubscribe or change delivery options go to: http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com
