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1 Burnside Environmental Studies- Alternative Energy
1 Local Warehouse Environmental Studies- Alternative Energy

Biodiesel America

by and and

Biodiesel America Cover

 

 

Excerpt

Excerpts from Biodiesel America

The year was 1996. I was a college student on a semester abroad in Europe. The focus of my studies was agriculture and energy—the two cornerstones of our society. While working on a small organic farm in former East Germany, I saw something that changed my life. We were harvesting fields of yellow flowering plants and crushing their seeds to extract vegetable oil. The oil was taken to a large stainless steel machine owned cooperatively by the local farmers. Inside that machine, something incredible happened: the vegetable oil that we had pressed from the yellow rapeseed was transformed into a fuel that could run in any diesel engine. The farmers called this fuel biodiesel. To the farmers, the process was a routine operation. To me, it represented a complete revolution in thinking. If we could simply "grow" our own fuel, then why was America so fixated on petroleum?

Benefits of Biodiesel Biodiesel has five qualities that make it an ideal fuel for our transportation industry right now. First, biodiesel is made from any type of vegetable oil, so its source crop can be grown in any region of the United States. Second, Biodiesel is renewable: it can be grown year after year, regardless of fossil oil supplies. Third, biodiesel is compatible with any diesel engine. No or little modification is needed to use biodiesel in a diesel engine. Since diesel engines are the backbone of our transportation and agriculture, one of every three gallons of fuel consumed in the United States is diesel fuel. Fourth, biodiesel reduces a host of emissions, including a near total reduction of carbon dioxide and sulfur dioxide, as well as substantial reductions in carcinogenic aromatics and ozone-forming particle emissions. Fifth, biodiesel’s energy balance ratio is approximately 1:3, or 300%, meaning for every one unit of energy that goes into making the fuel, three units of energy are present in the final fuel. This is because, with biodiesel, crops create the energetic hydrocarbon chains that are the basis for the fuel. These crops are fueled primarily by solar energy. Thus, biodiesel is a "liquid solar fuel." Biodiesel is not perfect, though. It does not perform as well as diesel in cold weather and can "gel." Care must be taken in transporting and storing biodiesel because it is a cleansing agent and tends to dislodge dirt and sludge. The use of biodiesel can also lead to an increase in emissions of nitrogen oxides (NOx), emissions that were, until recently, thought to be a primary contributor to smog forming ozone. In the energy market, though, these challenges are overshadowed by biodiesel's high utility. Due to its ease of integration into existing infrastructures, the simplicity of manufacturing the fuel, and its favorable energy balance ratio, biodiesel is poised to become a major force in the American energy market.

Growing Biodiesel Feedstocks Biodiesel can be made from a number of common crops like soybeans, many of which are already grown in America. Processing biodiesel into fuel employs people both on the farm and in localized crushing, processing, and transport industries. From the moment a seed is planted until the time that the vegetable-oil-derived fuel reaches the fuel tanks of vehicles, dollars that would normally be sent overseas to procure oil are cycled through the U.S. economy, keeping domestic business and industries healthy and strong. On the consumption end, biodiesel has the potential to offer Americans a real choice at the gas pump: fuel from the Mid East or fuel from the Midwest.

Makin' Biodiesel The process of making Biodiesel has evolved into an exacting science. Today biodiesel is made in at least 35 processing plants across the country. Because the chemical reaction for biodiesel production is similar to that used for soap making, biodiesel can also be made on a small scale. This makes biodiesel an ideal fuel for use in developing nations. While there are a few types of chemical reactions used to make biodiesel, the most common reaction utilizes three basic ingredients: vegetable oil or animal fats, an alcohol, and a catalyst. The alcohol used in the biodiesel reaction is typically methanol (also known as "wood alcohol") but ethanol (also known as "grain alcohol") can also be used. The catalyst is often sodium hydroxide (NaOH), commonly known as lye or "caustic soda." To make biodiesel, the large vegetable oil molecules (which have three fatty acids connected to a glycerin molecule) must be “broken down” and combined with methanol to form three new smaller chains called methyl esters. Since this method of making biodiesel involves transforming one type of ester into another, the process is called transesterification. Glycerin, a sugar, is the syrupy by-product of the transesterification reaction. Glycerin is used in a vast number of household products, including soaps, artificial sweeteners, solvents, cosmetics, inks, plastics, lubricants, and antifreeze.

Biodiesel Blends Biodiesel can be blended in any ratio with petroleum diesel. The letter "B" followed by a percentage designates the amount of biodiesel in the blend. For example, a blend of 5% biodiesel and 95% diesel is called B5, a blend of 20% biodiesel with 80% diesel is called B20, and so on. B20 qualifies as a compliance option under the Energy Policy Act of 1992, the Department of Energy's alternative fuels act, as well as under Executive Order 13149 (both discussed in more detail in Chapter 8 of Biodiesel America) and is now widely used to power U.S. vehicle fleets, including those operated by the military, National Parks Service, Postal Service, NASA, and more than 130 schools districts and universities. B20 is also appealing for fleet use because it considerably reduces emissions, is reasonably priced, and requires few, if any, engine modifications.

Biodegradability and Toxicity Biodiesel is biodegradable and nontoxic. In fact B100 is as biodegradable as dextrose (sugar) and less toxic than table salt. Several studies have shown biodiesel to biodegrade up to four times faster in water than petroleum diesel fuel, with up to 98% biodegrading in three weeks. The reduced emissions, pleasant odor (biodiesel exhaust smells faintly like French fries or donuts), biodegradability, and safety of biodiesel make it well suited for use in marine environments and sensitive ecosystems, such as our national parks and forests. By contrast, petroleum oil–a known toxic contaminant–poses a serious threat to fresh water and marine environments. An average of 600,000 barrels of petroleum oil a year is accidentally spilled from tankers transporting the fuel, according to the Alaska Oceans Program. Death and disease caused by polluted coastal waters costs our global economy $12.8 billion a year.

Biodiesel's Future Biodiesel has a bright future as an alternative fuel, both as a fuel blend (B20) and on its own (B100). As biodiesel manufacturing and diesel engine technology improve, we're likely to see biodiesel become more resistant to cold weather and generate even fewer emissions. New government requirements mandating the use of low sulfur diesel fuels stand to further increase demand for biodiesel as a fuel component, blend, or fuel alternative. While biodiesel does have drawbacks, its similarities to conventional diesel in terms of performance, low cost, and compatibility with our existing fuel infrastructure make it an ideal solution for meeting emerging federal emissions requirements and improving air quality now.

Product Details

ISBN:
9780970722744
Author:
Joshua Tickell and Meghan Murphy and Claudia Graziano
Publisher:
Yorkshire Press
Editor:
Graziano, Claudia
Editor:
Murphy, Meghan
Author:
Tickell, Joshua
Subject:
Energy
Subject:
Biotechnology
Copyright:
Publication Date:
July 2005
Binding:
Hardcover
Language:
English
Illustrations:
Y
Pages:
340
Dimensions:
9.20x6.70x1.08 in. 1.58 lbs.

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Related Subjects

Science and Mathematics » Energy » General
Science and Mathematics » Energy » Renewable Energies
Science and Mathematics » Environmental Studies » Alternative Energy
Science and Mathematics » Environmental Studies » Energy

Biodiesel America Used Hardcover
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$9.95 In Stock
Product details 340 pages Yorkshire Press - English 9780970722744 Reviews:
"Staff Pick" by ,

Tickell, an expert on biodiesel, explains how biodiesel is the best alternative to gasoline in today's age of peak oil. America, with its insatiable appetite for fast food, uses more vegetable oil for frying than any other nation. Why not turn that fat into fuel? Filled with well-researched facts and statistics, Biodiesel America is a great textbook for those of us who want to change our gas-guzzling ways.

"Review" by , "Meticulously researched and packed with indisputable facts and little known industry secrets, Tickell's Biodiesel America is the definitive work to date on this burgeoning new fossil fuel-free solution. Thanks to Josh's inspiration, all of my family's transportation is biodiesel-powered. This book could be just what America needs to make a clean break from big oil." John Schaeffer, founder & president, Real Goods and the Solar Living Institute
"Review" by , "Biodiesel America gives me hope for the future of our great country. Thanks to Josh's book, we can grow our fuel, bring money into our communities and stop our dependence on foreign energy."
"Review" by , "Energy independence is the only alternative. Josh's book is a giant leap in that direction."
"Review" by , "Renewable energies like biodiesel are critical to a safe and bountiful future for America. Tickell's book moves us one step closer to that future by shedding light on the elusive oil industry and providing a realistic liquid energy solution that is available right now."
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