Tar sands definition
Examples of Tar sands in a sentence
Tar sands, oil sands, oil shales, oil cuttings, and slurry oil contain large quantities of oil, however, extraction of oil from these materials is costly and time-consuming and generally does not yield sufficient quantities of usable oil.
Tar sands was the primary motivation but killing it this way conveniently gets rid of the biofuels problem as well.” According to environmentalists, biofuels may increase CO2 emissions and global hunger.
Tar sands extraction is already devastating native lands in Alberta.