"Tar sands" refers to a type of oil deposit found in sandy or clay-like materials. The term is used to describe these deposits because they contain a sticky and thick form of petroleum called bitumen, which is similar to tar.
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Sentences with «tar sands»
- To produce one barrel of tar sands oil requires about three barrels of water. (treehugger.com)
- All things considered, the energy you can get from burning a barrel of tar sands oil only barely exceeds the energy required to produce it. (resilience.org)
- First, producing oil from tar sands emits two to three times the global warming pollution of conventional oil. (dirtyoilsands.org)
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