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Some algae species are 50% or more lipid oil by weight. This oil may be pressed from the algae and refined into diesel. The process for extracting algal oil, at its simplest level, resembles pressing an olive. Up to 75% from the oil might be squeezed from algae using a simple mechanical press. Hexane might be used being a solvent to raise extraction up to 95%. Once extracted, the oil is refined through transesterification. A catalyst including sodium hydroxide is combined with alcohol to make biodiesel and glycerol.
To own one of these brilliant vintages defines who you are, how we hang around and how you wish to be known, and Cubans go to incredible lengths to have their classic cars running. 1950's bumpers and tailpipes are recreated and myriad other regions are adapted. Steering wheels carved from wood, hub cabs produced from aluminum cans and plastic sheets for windows are normal. While such shortcuts can be frowned upon in the United States, classic car lovers admire the Cubans' ingenuity in addition to their capacity to maintain the cars running.
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