Question 1: [29] In addition, research conducted at ________ by Jack Pronk has shown that elephant yeast, when slightly modified can also create ethanol from non-edible ground sources (e.g.
Question 2: This organism was recently discovered in the rainforests of northern ________ and has the unique capability of converting cellulose into medium length hydrocarbons typically found in diesel fuel.
Question 3: [22] It can be produced either from biodegradable waste materials or by the use of energy crops fed into ________ to supplement gas yields.
Question 4: An advantage of ethanol (CH3CH2OH) is that is has a higher ________ than ethanol-free gasoline available at roadside gas stations which allows an increase of an engine's compression ratio for increased thermal efficiency.
Question 5: Syngas, a mixture of ________ and hydrogen, is produced by partial combustion of biomass, that is, combustion with an amount of oxygen that is not sufficient to convert the biomass completely to carbon dioxide and water.
Question 6: Green diesel is not to be confused with ________ which is chemically quite different and processed using transesterification rather than the traditional fractional distillation used to process green diesel.
Question 7: In most cases, biodiesel is compatible with diesel engines from 1994 onwards, which use 'Viton' (by ________) synthetic rubber in their mechanical injection systems.
Question 9: Biologically produced ________, most commonly ethanol, and less commonly propanol and butanol, are produced by the action of microorganisms and enzymes through the fermentation of sugars or starches (easiest), or cellulose (which is more difficult).
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