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Which is the cheapest oil available of making bio diesel?

Is there any animal sourses for producing oil,for example any insects which are capable of producing oily substance and also having a short life span?These organisms which inturn be cultured for extracting oil for bio diesel?

Public Comments

1. I have heard that bio diesel can be made from sesame seeds or soy, something like that. You can get more info at http://www.mtv.com/thinkmtv/environment/#/thinkmtv/environment/
2. Cottonseed oil is the cheapest vegetable oil available. How about whale oil, or baby seal oil..
3. bugs are to small, buy a truck and pick it up for free at any privately owned franchise/non mainsteam restaurant.refine it your self.
4. The cheapest oil for biodiesel is waste frying oil from Mcdonlads etc.. they generally give it away. Obviously if everone gets into it it will start costing money. YOu can pretty much tailor make microbes to produce or reduce any product you want.. amazing things, microbes.
5. I wouldnt suggest using any animal (except maybe bugs) as a fuel source or you will have enviro people up the wazzu.... secondly, I wouldnt use bugs because it's not practical.... What is practical is using one of the following: 1)algae (yep, the scummy stuff at the bottom of your swimming pool).... I hear it makes wonderful biodiesel once dried 2)there is always the ever popular corn 3)wastes (think of all the oil that is wasted from kitchens with fryerlaters and such.... if you have a friend in the restaraunt business, I would suggest this route...
6. Animal sources for oil - seal, whale, walrus etc. They are fatty and if such type of animals are destroyed for fuel purposes, they will become extinct. So, it is not practicable. The best source of bio-diesel is plants. Eg. Jatropa sp. Pongamia sp. Bassia latifolia etc. The plants have the peculiar capacity to assimulate the CO2 for making this kind of oils. These oils from the plants are highly of unsaturated fatty acids. Thus these oils only can be easily transesterfied with the mineral oils like diesel. The transesterification of animal oil (with highly saturated fatty acids) with mineral oil is not practically feasible.
7. does spelling count?
8. Bio-diesel is a poor answer to the energy problem. Everyone thinks the oils magically appear at restaurants and in the form of corn. When the equipment needed to harvest vegetables is factored in, oils are horribly impractical to convert to fuel. If you start from plowing fields (heavy equipment, right?) to growing and harvesting corn, then transporting, processing, storage, further transporting, additional conversion to fuel, thousands of gallons of fuel is required to produce thousands of gallons of oil. It’s then a wash – no net gain. Sure, a few college kids can power their car on French-fry oil, but go ahead and try to power a small town. It’s like electric cars, hundreds of pounds of coal or natural gas (70% of the US electricity is produced by burning fuels) is burned to produce electricity to charge electric cars. There is no net savings in pollution with electric cars. “Green” eco-nuts think electricity is simply at your wall socket and corn oil is simply at your grocery store. When have you heard Al Gore or a politician mention harvesting equipment and the enormous fuel required to produce harvested crops just to produce a little bio-diesel?
9. The research being done on getting biodiesel from algae is looking quite promising. The algae produces a lot of oil per volume, grows back quickly and can be harvested easily.