"Both gasoline and ethanol utilize nearly as much energy to manufacturer as they provide."
As regards gasoline, this statement is prima facie nonsense.

> Date: Wed, 27 Aug 2008 11:12:31 -0400
> From: [log in to unmask]
> Subject: Bio-Diesel, vastly better than ethanol and gasoline
> To: [log in to unmask]
> An impressive documentary recently; "FIELDS OF FUEL" has won many awards.
> The film eloquently contradicts approximately 600 articles published in
> major media to bash bio-diesel. It reviews petrochemical's political history.
> Don't confuse this with Ethanol.
> Biodiesel certainly seems to be one of the best alternative power sources
> available. Algae farms are now producing bio-oils from which fuel, food,
> and plastic can be derived. Mere cold-pressing can extract oil which is a
> main component of algae, by weight, 50%. It is now being offered at fuel
> stations througout Europe.
> Bio-diesel oil tops the BTU efficiency studies. Both gasoline and ethanol
> utilize nearly as much energy to manufacturer as they provide. Yet, bio-oil
> produces a multiple of the energy required to create it.
> Bio-diesel exhaust is much less hazardous then petroleum fuel exhausts. It
> smells like french fries, rather than carcinogenic hell. Newer diesel
> engines are highly efficient and clean. The first diesel engine was
> introduced to the world in the late 19th c. running on peanut oil. Not
> surprisingly, the wealthy and successful Rudolf Diesel died an early death
> under suspicious circumstances.
> Algae grows in seawater, and duplicates its mass every 24 hours. It can use
> wastewater. It is a completely renewable resource. Algae farms extract
> carbon dioxide from the air and produce oxygen, protein, fiber and oil.
> Oil can be extracted from algae by cold-press, harmless CO2 process, or
> conventional hexane solvent process.
> The process is completely independent of petrochemical industry, though the
> existing pipeline grid would be useful.
> Under pessimistic scenarios, bio-diesel shines brightly in terms of the
> environment and economics.
> Here are optimistic scenarios that I've calculated. Please confirm and
> critique.
> Using the optimistic claims of the algae farmers (see below), then if
> biodiesel hybrids (generated or plug-in) replaced gasoline cars and if
> engine efficiencies are doubled, then a city of 1 million people could
> replace all of its gasoline usage with an algae farm of 3.65 square miles,
> or 1.35 miles on each side of a square representing that farm.
> A village of 5,000 could replace its gasoline requirements, accordingly,
> with an algae farm of 25,000 square feet (500 ft per side).
> For more info:
> www.biodieselamerica.org/what_is_biodiesel
> www.biomassmagazine.com/article.jsp?article_id=1366&q=&page=all
> Here are statments from a company that is currently going into production.
> http://gas2.org/2008/03/29/first-algae-biodiesel-plant-goes-online-april-1-2008/
> a) "Microalgae... can produce 30-100 times the oil yield of soybeans on
> marginal land and in brackish water. The biomass left-over from oil-pressing
> can either be fed to cattle as a protein supplement, or fermented into
> ethanol."
> b)"The current algae farm consists of 1,100 acres of saltwater ponds that
> the Company projects will produce a minimum of 4.4 million gallons of algal
> oil and 110 million pounds of biomass on an annual basis."
> Jim West
> www.geocities.com/noxot

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