Welcome! Log In Create A New Profile Recent Messages

Deep Creek Hot Springs

The Moon is Waning Gibbous (99% of Full)


Advanced

Re: SC14

All posts are those of the individual authors and the owner of this site does not endorse them. Content should be considered opinion and not fact until verified independently.

May 01, 2006 01:59PM
The " energy returned, on energy invested " ( EROEI ) for the biofuels is generally even, to negative, depending on which ones you are refering to. The EROEI for the endeavor of producing, and making available, all the various range of hydrocarbon products, has been steadily diminishing as the decades roll by. Around 30 years ago, it was around 25 to 1, and now, I read recently, it is down to 2 to 1. So it currently takes one barrel of oil in energy, to get two barrels worth in production. When it reaches 1 to 1, its a wash. You get out, what you put in. This concept is one of the main big problems, with the viability of the various alternative schemes out there which have been proposed as replacements for lost hydrocarbon energy sources. When you calculate out all the energy, and resources required to develop the various infrastrutures systems, on scales massive in size, which would be required, the EROEI doesn't add up to anything remotely close to a significant addition to energy, that could realistically fill the gap of what will be lost because of the depleting hydrocarbons. Our society, this country, has over the recent decades invested itself almost completely in a system that utterly depends on, and maintains itself with, cheap, affordable hydrocarbon energy. Now this arrangement is facing the inevitable depletion of the " life blood " that has fed the system. So what happens to a body when a gaping wound, depletes in rapid, and irreversable fashion, its supply of blood? That, IMHO, is akin to what we are now facing, when it comes to the " fluid ", that has kept the body of our nation, alive and intact.
SubjectAuthorViewsPosted

SC14

Wizard 851April 23, 2006 12:43PM

Re: SC14

Wizard 475April 24, 2006 05:07PM

Re: SC14

mojavegreen 452April 24, 2006 05:29PM

Re: SC14

Wizard 417April 24, 2006 10:39PM

Re: SC14

Rick 455April 25, 2006 10:05AM

Re: SC14

Wizard 506April 25, 2006 07:58PM

Re: SC14

Rick 484April 25, 2006 10:17PM

Re: SC14

Wizard 460April 25, 2006 10:49PM

Re: SC14

Rick 486April 25, 2006 11:53PM

Re: SC14

Wizard 503April 25, 2006 09:11PM

Re: SC14

Wizard 542April 25, 2006 09:30PM

Re: SC14

Wizard 401April 25, 2006 09:42PM

Re: SC14

Wizard 519April 25, 2006 09:50PM

Re: SC14

Wizard 458April 25, 2006 11:11PM

Re: SC14

Wizard 460April 26, 2006 11:40AM

Re: SC14

Wizard 459April 26, 2006 09:16PM

Re: SC14

Rick 439April 27, 2006 11:24AM

Re: SC14

Wizard 489April 27, 2006 08:57PM

Re: SC14

Rick 437April 27, 2006 11:21PM

Re: SC14

Wizard 425April 26, 2006 10:05PM

Re: SC14

Wizard 487April 27, 2006 09:41PM

Re: SC14

Wizard 486April 28, 2006 09:55PM

Re: SC14

Wizard 518April 28, 2006 10:27PM

Re: SC14

mojavegreen 450May 01, 2006 09:55AM

Re: SC14

Wizard 541April 30, 2006 10:42PM

Re: SC14

Rick 453April 30, 2006 10:47PM

Re: SC14

Wizard 869May 01, 2006 01:59PM

Re: SC14

Wizard 466May 01, 2006 01:14PM



Sorry, only registered users may post in this forum.

Click here to login