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OriginOil claims that its technology extracts oil from algae cheaply and efficiently.
A new heater cable lowers the cost of separating oil-like fluid from rock.
Falling oil prices could cause some alternative-fuel startups to fail.
Falling oil prices mean tough times for renewable energy, but experts expect the industry to bounce back.
BP’s chief scientist, Steven Koonin, says cutting greenhouse emissions will take major changes.
Rain and floods in the corn-growing Midwest could drive up the costs of producing the biofuel.
High prices still haven’t prompted companies to use advanced extraction methods.