RM2A91XM1–A dump truck races by a mountain of sulfur at one of the oil sand mines in Fort McMurray in Alberta, Canada. The sulfur is a byproduct from the refining of the bitumen and represents a huge problem of its own. As of 2006 there were 15 million tons of sulfur stockpiled at the mining sites, and the price tag for maintaining the toxic runoff is hefty. The Athabasca oil sands deposit is among the largest in the world. The bitumen, also commonly named tar (hence tar sands), contains lots of hydrocarbons, but is notoriously hard to extract. For every 100 BTU of energy extracted, 70 BTU is lost in
RM2A91XM0–A mountain of sulfur at one of the oil sand mines in Fort McMurray in Alberta, Canada. The sulfur is a byproduct from the refining of the bitumen and represents a huge problem of its own. As of 2006 there were 15 million tons of sulfur stockpiled at the mining sites, and the price tag for maintaining the toxic runoff is hefty. The Athabasca oil sands deposit is among the largest in the world. The bitumen, also commonly named tar (hence tar sands), contains lots of hydrocarbons, but is notoriously hard to extract. For every 100 BTU of energy extracted, 70 BTU is lost in the process. In 2011 a
RM2A91XM2–A dump truck races by a mountain of sulfur at one of the oil sand mines in Fort McMurray in Alberta, Canada. The sulfur is a byproduct from the refining of the bitumen and represents a huge problem of its own. As of 2006 there were 15 million tons of sulfur stockpiled at the mining sites, and the price tag for maintaining the toxic runoff is hefty. The Athabasca oil sands deposit is among the largest in the world. The bitumen, also commonly named tar (hence tar sands), contains lots of hydrocarbons, but is notoriously hard to extract. For every 100 BTU of energy extracted, 70 BTU is lost in
RM2A91XM4–A dump truck races by a mountain of sulfur at one of the oil sand mines in Fort McMurray in Alberta, Canada. The sulfur is a byproduct from the refining of the bitumen and represents a huge problem of its own. As of 2006 there were 15 million tons of sulfur stockpiled at the mining sites, and the price tag for maintaining the toxic runoff is hefty. The Athabasca oil sands deposit is among the largest in the world. The bitumen, also commonly named tar (hence tar sands), contains lots of hydrocarbons, but is notoriously hard to extract. For every 100 BTU of energy extracted, 70 BTU is lost in
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