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Terms That You Should Know

Alternative Fuel Sustainable, renewable, non-petroleum fuel with energy and environmental friendly. Examples include Ethanol, methyl and ethyl esters, hydrogen, electricity from solar, hydro, or wind energy and etc.

Aromatics Hydrocarbons with a ring structure (benzene ring), e.g., benzene, toluene, xylene.
Catalyst Substance that influences the speed and direction of a chemical reaction without itself undergoing any significant change.
Cetane Number A measure for the ignition quality of diesel fuel based on ignition delay in a compression ignition engine (also called diesel engine). The ignition delay in the time between the start of the injection and the start of the ignition. The higher the cetane number, the shorter the ignition delay and the better the ignition quality.The cetane number is based on the ignition quality of cetane (high cetane number) and heptamethylnonane or (a)-methyl naphthalene (low cetane number).
Compression Ignition Engine Also called Disel Engine. Internal combustion engine with an ignition caused by the heating of the fuel-air mixture in the cylinder by means of compression. This compression causes a rise in temperature and pressure, which makes possible the sponteneous reaction between fuel and oxygen.
Diesel #1 Also called kerosene and has a lower viscosity. It is not generally used as a fuel oil in diesel vehicles.
Diesel #2 The typical diesel vehicle fuel. Biodiesel replaces Diesel #2 totally or at certain percentage.
Esters Methyl and ethyl esters produced from any vegetable or tree oils, used oils, or other fat sources from organic compounds. Esters are formed by combining fatty acids and methanol or ethanol via transesterification process. 

Ethanol Ethyl alcohol. Though it is safer to be used to produce biodiesel, it is not commonly used due to its low reactivity as compared to methanol.


Flashpoint The temperature to which the fuel has to be heated to produce a vapour / air mixture that will ignite when a flame is applied
Fossil Fuel  A hydrocarbon deposit, such as petroleum, coal, or natural gas, derived from living matter of a previous geologic time and used for fuel. Production and combustion of fossil fuels result in large quantity of CO2 emissions, resulting in a non-sustainable formation of the "Greenhouse Effect" to the earth.
Glycerine/Glycerol A by-product of biodiesel production, which is separated from the ester during the transesterification process.
Lubricity The "smoothness" of a fuel which affects wear-and-tear on the engine. The higher the lubricity, the easier a fuel can move through an engine, resulting in longer engine life. Lubricity is measured as "kinetic viscosity."
Methanol Methyl alcohol � a volatile colourless alcohol commonly used in biodiesel production.
Particulates Very small liquid and solid particles floating in the air. A component of smog.
PFAME Palm Fatty Acid Methyl Ester. Also known as "Palm Biodiesel". An alternative fuel derived from palm oil and can be used in compression ignition engine with little or no modification.
Renewable Energy Designated commodity or resource, such as solar energy, biodiesel fuel, or firewood, that is inexhaustible or replaceable by new growth.
Transesterification The process of creating esters from vegetable oil. Organic fats and oils are triglycerides (three hydrocarbon chains connected by glycerol). During the process, the bonds are broken hydrolyzing them to form free fatty acids. These fatty acids are then reacting with methanol or ethanol forming methyl or ethyl fatty acid esters respectively. The biodiesel is refined and distilled to be used as a fuel in a diesel engine while the by-product, glycerine, is used for soap or further refined for other applications.
Viscosity Measure of the resistance to flow of a liquid. Biodiesel is much less viscous than the oil from which it is made.


28 April 2014
Palm oil biodiesel programme to cover all of Malaysia by July
22 October 2012
B10 biofuel programme to help reduce inventory
13 August 2012
Rapeseed biodiesel fails sustainability test
06 October 2011
B5 Supply Nationwide Earliest By 2013, Says Dompok
02 June 2011
Biodiesel goes on sale
20 May 2011
B5 biodiesel in stages, starting with Putrajaya
16 March 2011
MPOB: Only 10 biodiesel plants operating
17 June 2010
B5 Mandate Next Year Takes Into Account Time To Set Up Blending Facilities
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