"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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