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fuel
a substance with stored energy that can release relatively easily to generate heat or power. The stored energy can be in the form of chemical energy (methane), or in the form of nuclear energy (uranium)
sustainable
able to support energy amd resources into future without depletion
non-renewable
resources which are used up at a faster rate than they can be replaces
renewable energy source
a source of energy which come from sources that are readily replenished, e.g solar energy, wind power, hydroelectricity
renewable fuel
a fuel that can be replaced at a sustainable rate.
renewables
fuels that can be replaced at a sustainable rate, also known as renewable fuels
biodiesel
a fuel derived from plant or animal matter, consisting of long-chain alkyl esters. Biodiesel is typically made by reacting, triglycerides with an alcohol
bioethanol
ethanol is made by fermenting the sugar and starch component of plants using yeast
biofuel
a fuel that can be produced from crops or other organic material. Examples of biofuels are ethanol from the fermentation of sugars, methane from digestion in animals, and biogas from plants and animal wastes.
biogas
a mixture of gases produced by the decomposition of organic matter in the absense of oxygen.
biomass
organic material from living things such as crop or forest waste
combustion
a rapid reaction with oxygen accompanied by the release of large amounts of heat: also called burning.
complete combustion
a hydrocarbon undergoes complete combustion with oxygen at high temperatures when the only products are carbon dioxide and water
incomplete combustion
a combustion reaction that takes place when oxygen is limited. Incomplete combustion of hydrocarbons produced carbon and carbon monoxide and water (?)
Petroleum (crude oil)
A mixture of hydrocarbon molecules that are members of the homologous series of alkanes.
