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Topic: Biodiesel

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In the News (Wed 22 May 19)

  Biodiesel - Wikipedia, the free encyclopedia
Biodiesel is a better solvent than petrodiesel and has been known to break down deposits of residue in the fuel lines of vehicles that have previously been run on petrodiesel.
Biodiesel is becoming of interest to companies interested in commercial scale production as well as the more usual home brew biodiesel user and the user of straight vegetable oil or waste vegetable oil in diesel engines.
Biodiesel reduces emissions of carbon monoxide (CO) by approximately 50% and carbon dioxide by 78% on a net lifecycle basis because the carbon in biodiesel emissions is recycled from carbon that was already in the atmosphere, rather than being new carbon from petroleum that was sequestered in the earth's crust.
en.wikipedia.org /wiki/Biodiesel   (4341 words)

 [No title]
Biodiesel is a renewable energy fuel produced from animal fats and vegetable oils by lipid transesterification.
Biodiesel is non-flammable and non-explosive (flash point 150ºC for biodiesel and 64ºC for petrodiesel).
Biodiesel is a clear amber-yellow liquid with a viscosity similar to petrodiesel (the industry term for diesel produced from petroleum).
wikiwhat.com /encyclopedia/b/bi/biodiesel.html   (2433 words)

 Why Biodiesel?
Biodiesel is a renewable fuel made by a chemical reaction of alcohol and vegetable or animal oils, fats, or greases.
Biodiesel blended as low as a 2% rate with low sulfer or ultra-low sulfer petroleum diesel increases lubricity to traditional high sulfur diesel fuel levels.
Biodiesel is one of several alternative fuels that have a place in the development of a balanced energy policy.
www.biodiesel.com /why_biodiesel.htm   (797 words)

 Biodiesel.org - Biodiesel 101   (Site not responding. Last check: 2007-10-23)
Biodiesel is made through a chemical process called transesterification whereby the glycerin is separated from the fat or vegetable oil.
Biodiesel blends are denoted as, "BXX" with "XX" representing the percentage of biodiesel contained in the blend (ie: B20 is 20% biodiesel, 80% petroleum diesel).
Biodiesel is better for the environment because it is made from renewable resources and has lower emissions compared to petroleum diesel.
www.biodiesel.org /resources/biodiesel_basics/default.shtm   (439 words)

 UNH Biodiesel Group
Now, biodiesel is about 5-8% less energy dense than petroleum diesel, but its greater lubricity and more complete combustion offset that somewhat, leading to an overall fuel efficiency about 2% less than petroleum diesel.
Enough biodiesel to replace all petroleum transportation fuels could be grown in 15,000 square miles, or roughly 12.5 percent of the area of the Sonora desert (note for clarification - I am not advocating putting 15,000 square miles of algae ponds in the Sonora desert.
The UNH Biodiesel Group and a few other groups across the country are working on improving the technology for growing algae and processing it into biodiesel.
www.unh.edu /p2/biodiesel/article_alge.html   (4741 words)

Biodiesel is a fuel derived from vegetable oil or animal fats that can be an additive to or entirely replace conventional petroleum diesel fuel. ; In the United States, the majority of biodiesel is made from soybean or canola oils, but is also made from waste stream sources such as used cooking oils or animal fats.
In most cases, biodiesel is mixed with conventional diesel because of the higher cost of biodiesel, engine compatibility issues, and cold weather operating concerns. Common blends are B20, or 20% biodiesel and B2, or 2% biodiesel. The environmental benefits of using biodiesel scales with the percent of biodiesel contained in the blend.
Biodiesel is non-toxic and biodegrades four times faster than conventional diesel. Biodiesel therefore presents a much smaller risk in the case of spills in marine and other sensitive environments.
www.ucsusa.org /clean_vehicles/big_rig_cleanup/biodiesel.html   (1252 words)

 Hempcar.org-Biofuels Facts
Biodiesel is the name for a variety of ester-based oxygenated fuels made from hemp oil, other vegetable oils or animal fats.
Biodiesel is the only alternative fuel in the US to complete EPA Tier I Health Effects Testing under section 211(b) of the Clean Air Act, which provide the most thorough inventory of environmental and human health effects attributes that current technology will allow.
Biodiesel has a positive impact on the US balance of trade.A 1998 biodiesel lifecycle study jointly sponsored by the US Department of Energy and the US Department of Agriculture concluded that increased use of biodiesel and biodiesel blended fuels such as B20 would substantially benefit our economy.
www.hempcar.org /biofacts.shtml   (925 words)

Biodiesel (or biofuel) is the name for a variety of ester-based fuels (fatty esters) generally defined as the monoalkyl esters made from vegetable oils, such as soybean oil, canola or hemp oil, or sometimes from animal fats through a simple transesterification process.
The supernatant is biodiesel and contains a mixture of methylated fatty acids and methanol, the catalyst remaining dissolved in the glycerol fraction.
Biodiesel can be used in its pure form but many require certain engine modifications to avoid maintenance and performance problems.
www.cyberlipid.org /glycer/biodiesel.htm   (1219 words)

 Howstuffworks "How Biodiesel Works"
Generally speaking, biodiesel is an alternative or additive to standard diesel fuel that is made from biological ingredients instead of petroleum (or crude oil).
Biodiesel is usually made from plant oils or animal fat through a series of chemical reactions.
Biodiesel is safe and can be used in diesel engines with little or no modification needed.
auto.howstuffworks.com /biodiesel.htm   (865 words)

 Honolulu Clean Cities Factsheet - Biodiesel Fuel
Biodiesel fuel is biodegradeable and is less toxic than regular diesel, which may make installation of biodiesel-fueling equipment (particularly underground storage) easier and less costly than for regular diesel fuel.
Biodiesel is used in sensitive wetland areas to reduce the danger of fuel spills to endangered wildlife.
Biodiesel is used in equipment in enclosed areas to reduce danger from explosions and toxic fumes.
www.hawaii.gov /dbedt/ert/cc/ccfsbf.html   (719 words)

 EIA Energy Kid's Page- Biodiesel a Biofuel
Biodiesel is a renewable fuel that can be used instead of diesel fuel made from petroleum.
Biodiesel is most often blended with petroleum diesel in ratios of 2 percent (B2), 5 percent (B5), or 20 percent (B20).
Biodiesel is also being used for fleets of snowplows, garbage trucks, mail trucks, and military vehicles.
www.eia.doe.gov /kids/energyfacts/sources/renewable/biodiesel.html   (525 words)

 Project - Biodiesel :: PathtoFreedom.com ::
Biodiesel is the only alternative fuel that can be used straight in the fuel tank of any vehicle with an existing diesel engine.
Biodiesel is the only alternative fuel currently available that has an overall positive life cycle energy balance (3.2:1, compared to a paltry.86:1 of diesel).
Biodiesel can also be produced from other biologically derived oils such as soybean oil, canola oil, sunflower oil, hemp oil, coconut oil, peanut oil, palm oil, corn oil, mustard oil, flaxseed oil, waste cooking oil, rapeseed oil, cottonseed oil, beef tallow, pork lard, as well as other types of animal fat.
pathtofreedom.com /pathproject/offthegrid/biodiesel.shtml   (1998 words)

 Biodiesel Fuel
Biodiesel is composed of long-chain fatty acids with an alcohol attached, often derived from vegetable oils.
Biodiesel can be used in the pure form, or blended in any amount with diesel fuel for use in compression ignition engines.
Several engine manufacturers guarantee their engines the same when using biodiesel as for diesel fuel as long as the amount of biodiesel does not exceed 20% and the fuel must meet ASTM D6751 specifications.
www.ext.nodak.edu /extpubs/ageng/machine/ae1240w.htm   (1989 words)

 Fuel Blends: Biodiesel
When biodiesel is blended with petroleum diesel, it produces a fuel that is compatible with diesel engines, displaces imported petroleum, and reduces harmful emissions.
Biodiesel blends of 20% biodiesel or more are also widely available and may qualify for credits under the Energy Policy Act of 1992.
Biodiesel is manufactured by chemically reacting vegetable oils, recycled cooking grease, or animal fats with alcohol.
www.eere.energy.gov /cleancities/blends/biodiesel.html   (486 words)

 Make your own biodiesel: Journey to Forever
Biodiesel is a clean, safe, ready-to-use, alternative fuel, whereas it's fair to say that many SVO systems are still experimental and need further development.
Biodieselers will be paying $300-360 for their fuel, while a good processor can be set up for around $100 up.
The biodiesel varies somewhat in colour according to the oil used (and so does the by-product layer at the bottom) but usually it's pale and yellowish (used-oil biodiesel can be darker and more amber).
journeytoforever.org /biodiesel_make.html   (8517 words)

Biodiesel is a replacement for petroleum diesel that can be used in virtually any diesel engine without modification.
Biodiesel is produced from a variety of domestically available, renewable sources including vegetable oil, recycled cooking oil and animal fats.
A key step in building the biodiesel industry is to establish an oilseed industry which includes oil seed crushing facilities and markets for the meal after the oil has been extracted.
www.sccd.org /biodiesel   (591 words)

 BioDieselNow.com - Clean, renewable, domestically produced fuel
Biodiesel is a vegetable oil-based fuel that runs in unmodified diesel engines - cars, buses, trucks, construction equipment, boats, generators, and oil home heating units.
Biodiesel is nearly carbon-neutral, meaning it contributes almost zero emissions to global warming!
B100 (100% biodiesel) gets slushy a little under 32°F. But B20 (20% biodiesel, 80% regular diesel - more commonly available than B100) has a gel point of -15°F. Like regular diesel, the gel point can be lowered further with additives such as kerosene (blended into winter diesel in cold-weather areas).
www.biodieselnow.com   (421 words)

 Grassroots Biodiesel and Vegetable Oil Fuel Homepage   (Site not responding. Last check: 2007-10-23)
Biodiesel is a clean burning fuel which runs in any unmodified diesel engine.
In addition, biodiesel can be made from renewable resources such as vegetable oil or animal fat and even from used cooking oil, an abundant waste product.
Biodiesel is currently being manufactured at an industrial scale by large companies but can also be made on a small scale with simple technology.
www.dancingrabbit.org /biodiesel   (185 words)

 Biodiesel: Journey to Forever
Biodiesel can be mixed with ordinary petroleum diesel fuel in any proportion, with no need for a mixing additive.
The study, "Chemical and Bioassay Analyses of Diesel and Biodiesel Particulate Matter", 1996, used a 1995 Dodge 3/4 ton pickup truck with a 5.9-litre Cummins B Turbo diesel and tested 100% ethyl ester of rapeseed oil (REE), 100% diesel 2-D low-sulfur fuel and blends of 20% REE and 50% REE with the 2-D diesel fuel.
In fact biodiesel can actually reduce CO2 levels in the atmosphere: for example, growing soybeans takes nearly four times as much CO2 out of the atmosphere as the amount of CO2 released in the exhaust from burning soybean oil biodiesel.
journeytoforever.org /biodiesel.html   (1857 words)

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