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Topic: Straight vegetable oil

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	Straight vegetable oil - Wikipedia, the free encyclopedia
		Straight Vegetable Oil (SVO) is a fuel for diesel engines that can be either pure new vegetable oil or Waste vegetable oil that has been cleaned, although this is normally referred to as WVO.
		Vegetable oil used as fuel in a compression ignition or diesel engine is also referred to as vegidiesel or vegifuel.
		Taxation on SVO as a road fuel varies from country to country, and it is possible the revenue departments in many countries are even unaware of its use, or feel it sufficiently insignificant to legislate.
	en.wikipedia.org /wiki/Straight_vegetable_oil (1016 words)

	Vegetable oil - Wikipedia, the free encyclopedia
		Vegetable oils are used as cooking oils and for industrial uses.
		Like all fats, vegetable oils are esters of glycerin and a varying blend of fatty acids, and are insoluble in water but soluble in organic solvents.
		Vegetable oils are increasingly being used in the electrical industry as insulators as vegetable oils are non-toxic to the environment, biodegradable if spilled and have high flash and fire points.
	en.wikipedia.org /wiki/Vegetable_oil (1742 words)

	The Big Green Bus
		The sources for vegetable oils are, obviously, vegetables – soy beans, canola seeds, etc. The energy to grow the crops comes from the sun, and does not use fossil fuels.
		Vegetable oil fuels, do emit greenhouse gases when burned, but they are considered carbon neutral because any carbon dioxide emitted was absorbed by the plant during its growing process and counterbalances the emitted CO2.
		In general, the emissions from vegetable oil fuels are similar to those from diesel engines, but somewhat lower (again, the major difference is that SVO is carbon neutral).
	engineering.dartmouth.edu /other/thebiggreenbus/WVO.html (646 words)

	Straight Vegetable Oil (Site not responding. Last check: 2007-10-21)
		It is possible to use unmodified vegetable oils as a neat fuel for diesel engines within certain limitations.
		Straight Vegetable Oil (SVO) has been shown to be an effective fuel for many applications and has been used in different parts of the world for many years.
		The higher the level of saturated fatty acids present in the oil, the lower the iodine value and the more resistant to oxidation the oil will be, as the oxygen reacts with the carbon-carbon double bonds present in unsaturated fatty acids.
	www.boulderbiodiesel.com /john/SVO/index.jsp (1695 words)

	Vegetable oil yields, characteristics: Journey to Forever
		Many vegetable oils and some animal oils are 'drying' or 'semi-drying' and it is this which makes many oils such as linseed, tung and some fish oils suitable as the base of paints and other coatings.
		While some oils have a low IV and are suitable for use as fuel without any further processing other than extraction and filtering, the majority of vegetable and animal oils have an IV which may cause problems if used as a neat fuel.
		The IV can be easily reduced by hydrogenation of the oil (reacting the oil with hydrogen), the hydrogen breaking the double bond and converting the fat or oil into a more saturated oil which reduces the tendency of the oil to polymerise.
	journeytoforever.org /biodiesel_yield.html (1893 words)

	Technology (Site not responding. Last check: 2007-10-21)
		Recycled vegetable oil from local restaurants and other used sources are also a useful reservoir of renewable fuel for diesel engines as approximately 4.5 billion gallons per year of used vegetable oil is available in the USA.
		Vegetable oil seems to be the perfect replacement for petro based diesel, except for the fact that it has too high a viscosity for use in most existing diesel engines as a straight replacement fuel oil.
		One way to use vegetable oil as a fuel is to modify the vehicle so that it heats up the oil before it is used in the fuel system.
	www.distributiondrive.com /technology.html (1234 words)

	GFC SVO (Site not responding. Last check: 2007-10-21)
		Straight vegetable oil can be used to power a modern diesel engine but this requires modification to the fuel system.
		There are some concerns with straight vegetable oil about incomplete burning and coke buildup and SVO has not gained as wide acceptance with auto manufacturers as biodiesel has.
		However, restaurants must save their used oil in dumpsters for pickup and need to pay for disposal so that waste vegetable oil can be obtained with permission from local restaurants for free.
	www.dartmouth.edu /~afaiia/svo.htm (207 words)

	NFA/GC Veggie Golf - Technical Specs
		Greasecar has developed a set of modifications to the vehicle which allow it to run on straight (unprocessed) vegetable oil, using the car's own heat.
		In fact, mechanics have qualitatively determined that vegetable oil based fuels are better for the engine than regular diesel, due to higher lubricity.
		In short, no. Running straight vegetable oil in your car is looked at as operating a homemade fuel, and as such, is unregulated.
	www.veggiegolf.com /car.html (561 words)

	SVO Straight Vegetable Oil Diesel Conversion Kit (Site not responding. Last check: 2007-10-21)
		SVO allows your diesel engine (car, truck, marine, farm, genset) to run on both diesel and vegetable oil, such as canola and soybean.
		The idea to use pure, natural vegetable oil (also known as salad oil) as a fuel for diesel engines is as old as the diesel engine itself.
		Vegetable oil is a foodstuff and usually not subject to a mineral oil tax.
	www.svo-kit.com (1760 words)

	Mother Earth News Forum - Straight Vegetable Oil (Site not responding. Last check: 2007-10-21)
		The idea of using heated vegetable oil as an alternative fuel is not a new one and has been used successfully in Europe for a number of years.
		To use a SVO system, you start your engine on diesel, and once the engine has reached operation temperature, and the oil is hot, you change from diesel to vegetable oil.
		The objective was to look at the burning characteristics of vegetable oil droplets under high pressure and high temperature conditions, and to try and address problems such as poor atomisation, coking and to understand the mechanics of deposit formation associated with vegetable oil combustion.
	www.motherearthnews.com /forums/topic.asp?TOPIC_ID=5555 (1243 words)

	Untitled Document (Site not responding. Last check: 2007-10-21)
		Biodiesel is vegetable oil that has been chemically altered to reduce its viscosity, making it possible to burn it in an unmodified compression-ignition (standard diesel) engine.
		It is possible to fuel a diesel vehicle with straight vegetable oil (SVO) if that oil stays hot enough to flow the entire time it moves from the fuel tank to the engine.
		The vegetable oil travels through a fine, heated filter between the tank and the engine, so even if oil quality is questionable you can't accidentally clog the injectors.
	www.oberlin.edu /stuorg/biodiese/svo.htm (362 words)

	Straight vegetable oil as diesel fuel: Journey to Forever
		Vegetable oil can be used as diesel fuel just as it is, without being converted to biodiesel.
		Neat rapeseed oil and soybean oil have slightly lower percent degradation.
		SVO cannot be used straight from the expeller and is often produced in big centralized factories in Europe.
	journeytoforever.org /biodiesel_svo.html (8016 words)

	Diesel Engines Can Run on Vegetable Oil
		Because most diesel engines are already suited to run on hot vegetable oil the only modification necessary is to turn the mono-fuel vehicle into a dual-fuel vehicle.
		When the vegetable oil in the second tank is warm enough to run through the lines and fuel injectors properly then I simply switch over and smile.
		Vegetable oil is a renewable resource that can be produced domestically anywhere around the world.
	www.geocities.com /dgreenhouse2003 (939 words)

	Southern Fried Vegetable Fuel Systems
		The second way is to use the vegetable oil (VO) straight, this requires a fuel system that adds a second tank some fuel switching valves and some heat exchangers to your vehicle.
		You see the oil must be heated to a minimum of 160° F. to burn properly and not cause excess wear to your engine.
		As a result of Diesel's vision, compression ignited engines were powered by a biomass fuel, vegetable oil, until the 1920's and are being powered again, today, by vegetable oil.
	users.adelphia.net /~jeffwaldron/home.htm (443 words)

	SeQuential Biofuels :: FAQ
		Chemically, biodiesel is defined as a mono-alkyl ester of vegetable oil.
		Modern diesel equipment, however, requires some modification to burn straight vegetable oil, and it is yet unclear the effects of straight vegetable oil on diesel engine performance and longevity.
		Through a chemical process called esterification, oils and fats are reacted with an alcohol (ethanol or methanol) and a catalyst (generally sodium or potassium hydroxide) to produce fatty acid esters (biodiesel), glycerin and soaps.
	www.sqbiofuels.com /faq.htm (1774 words)

	straight vegetable oil - Topic Powered by Groupee Community
		Soy oil is the most common fryer grease in the US, and it isn't a very good lubricant (not to say that it doesn't have some lubricating properties), nor is it stabile against polymerization (that's why it's used for a paint base).
		Vegetable oils are just not as stable - or at least that was the case in the past.
		However, new varieties of oils, high oleic varieties, which are coincidentally being developed as well for fryer oils may change this, much to the benefit of the SVO user, perhaps.
	biodiesel.infopop.cc /eve/ubb.x/a/tpc/f/159605551/m/360107688 (1815 words)

	Green Fuels
		Unlike fossil fuels, SVO is renewable— made by recycling waste oil destined for stock-feed, lipstick, or a landfill.
		A major incentive for making the switch to SVO is cost—the fuel is available free-of-charge from almost any local restaurant, most of which pay waste management companies to dispose of old fryer oil and are happy to have veggie-mobile owners haul it away.
		Anderson says Japanese restaurants are bar-none the best sources of SVO because they dispose of cooking oil regularly and their fryers are some of the cleanest in the restaurant business.
	outside.away.com /outside/green_fuels/vegetable_oil.html (621 words)

	Driving Change - Biodiesel & Vegetable Oil
		Biodiesel is created from a simple chemical reaction of mixing about 80% of vegetable oil with about 20% alcohol and a catalyst.
		As you can imagine, this vegetable oil without the glycerin, called “biodiesel”;, is smoother, runnier, and thinner (less viscous) than normal veggie oil.
		To use SVO or WVO, you need to heat up the oil before it gets injected into your engine since vegetable oil is too viscous for the starting up and shutting down of your vehicle.
	veggiebus.com /biodiesel.html (569 words)

	On converting your car to straight veggie oil \| By Umbra Fisk \| Grist Magazine \| Ask Umbra \| 17 Mar 2005
		Vegetable oil is naturally more viscous than petro diesel or biodiesel, so getting it to the point where it is liquid enough to pass through the tubes to the combustion chamber requires a significant amount of heat and can be quite difficult if the engine is cold.
		Converting an engine to run on SVO, then, means tinkering with the fuel-delivery system to warm the SVO before it passes through the tubes and, in some cases, heating it again before it enters the combustion phase.
		My Frybrid friend takes all the oil produced by a nearby Japanese restaurant, heats it for six hours in an old water heater, removes the resultant water, and then filters the oil until no particles remain that are larger than five microns.
	www.grist.org /advice/ask/2005/03/17/umbra-svoschool (864 words)

	Halfbakery: Vegetable Oil/Electric Hybrid
		The main problem is that vegetable oil straight from the press clogs up the filters and nozzels at low temperatures so you always have to run the engine on regular diesel at start up and just before you turn it off.
		Oil in the fuel line and injectors could be electrically heated until the infernal combustion motor (an atmospheric heater that gives off some mechanical energy) spits out enough heat to take over the task.
		A prototype was built at UWE Bristol that ran on powdered dried algae, which used the CO2 from exhaust to grow more algae, powered lights for the algae to photosynthesize, and used the waste heat to dry the algae for fuel.
	www.halfbakery.com /idea/Vegetable_20Oil_2fElectric_20Hybrid (4146 words)

	Corvallis Biodiesel Coop :: Straight Vegetable Oil (Site not responding. Last check: 2007-10-21)
		By heating the oil to 160-180 F the viscosity is reduced to that of diesel fuel and, voila!, Sir Rudolf Diesel has his dream revisited.
		Leaning on the ethos of Permaculture ("nothing in the system goes to waste"), heating vegetable oil in a vehicle is accomplished by tapping into the coolant system and employing a simple heat exchanger in an auxiliary SVO dedicated tank.
		This is an oversimplified rendition, but the principle is solid: Heat the oil with waste heat from the engine (or electricity) and you've got yourself a renewable, sustainable alternative-fuel.
	www.corvallisbiodiesel.org /svo (381 words)

	: Testimonials (Site not responding. Last check: 2007-10-21)
		One hundred percent of vegetable oil can be used safely in an indirect injection engine, but not in a direct injection engine due to the high degree of atomization required for this type.
		By constantly recommending good-quality canola oil, by providing a diesel purge at the end of each commute and by sticking to the older, more tolerant indirect injection engines, Ed has been able to promote and use vegetable oil as a diesel substitute with great success.
		Good quality straight vegetable oil, properly heated and purged, has proved to be a viable fuel alternative.
	homepage.mac.com /neobio/Neoteric/page18.html (2200 words)

	Veggie Fuel Systems - Straight Vegetable Oil Diesel Conversions and Kits
		The source of the waste oil to use as fuel in your converted vehicle can typically be one or several of your local cafes and restaurants.
		It's usually possible to obtain waste restaurant oil at no cost, so that filters are the only ongoing expense.
		You will need arrangments for storing, filtering, and dispensing the oil at your home or business, and this can be done in as many different ways as there are people using waste oil for fuel.
	www.veggiefuelsystems.com (253 words)

	Lou's Musings: Straight Vegetable Oil vs Biodiesel
		There is little awareness of the potential for plain 'ol vegetable oil being used as fuel (as we do), but there was indeed some raising of eyebrows when I explained that you can get used fryer oil free from your local burger joint, and with modifications put it in your diesel fuel tank.
		In contrast, biodiesel uses vegetable oil as a base which is then chemically altered.
		Without going into too much detail the glycerine in the oil (as well as chicken fat, calamari, etc) is removed with the use of lye, then ethanol or methanol is added to thin out the result.
	lousmusings.typepad.com /lousmusings/2006/02/veg_cars_vs_bio.html (638 words)

	Wired News: Veggie Fuels Feed Bottom Line
		When Joshua Tickell drove his Veggie Van across the country in 1997, fueling it with used vegetable oil he obtained at Kentucky Fried Chicken, Long John Silver's and other fast food chains owned by PepsiCo, he received a great deal of lighthearted attention from the mainstream media for the van's deep-fried fumes.
		A curious blend of consumers -- from clean-air activists to school districts to the U.S. military (PDF) -- are now running their diesel engines off either straight vegetable oil, known as SVO, or vegetable oil that has been converted to diesel fuel, or biodiesel.
		Pawl Katan, an SVO advocate from Prescott, Arizona, who has helped modify four Mercedes diesels to run on SVO, notes that the deal is good for both vehicle owners and restaurateurs.
	www.wired.com /news/autotech/0,2554,59713,00.html (946 words)

	MSN Money - Fill your tank with vegetable oil
		Most diesel engines were indeed run on vegetable oil until the 1920s, when the petroleum industry promoted a gasoline byproduct as diesel fuel.
		The old oil from the deep-fat fryer is heated and run through a filter, and then it's down the hatch into Gurney's '84 Peugeot diesel wagon to a second fuel tank installed in the spare tire well.
		A hose from the radiator runs to a copper coil in the tank, heating the oil to a more combustible and viscous state before it heads to the engine.
	moneycentral.msn.com /content/Savinganddebt/Saveonacar/P115218.asp (1688 words)

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