Vērtējums:
Publicēts: 01.12.1996.
Valoda: Angļu
Līmenis: Vidusskolas
Literatūras saraksts: Nav
Atsauces: Nav
  • Eseja 'Biodiesel', 1.
Darba fragmentsAizvērt

1. What is biodiesel and how is it made?
Biodiesel is a renewable source of fuel, and is an alternative to petroleum. It's base is vegetable oil, and it runs in diesel engines. Usually made from soy, rapeseed, fryer, or canola oil, it can also be made by various other plants or seeds that produce oil. These are all grown domestically, and would greatly reduce dependence on Arab countries for oil. It order to make it proper for use, it must go through a production process which takes out extra fatty acids and turns the oil into esters, which are certain chemical compounds. After this proce…

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