Anything substantially lower will indicate that oil is escaping through some broken piping and flowing into other rock formations below the sea floor with the possibility that it could find a way to burst through the floor into the sea from a different location.

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Over 94% of the gas stations in the U.S. are owned by independent businesses, and the major oil companies cannot order those retailers to replace dispensers and piping.

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The idea is to capture the carbon dioxide emissions from burning the coal for power, then piping the CO2 around to be injected into old oil fields to coax out more stubborn crude.

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Either way, the CO2 must be put somewhere, for which strategies include pumping it into rocky formations (such as depleted oil and gas wells) at a pressure of 100 atmospheres, or even piping it in liquid form under pressure onto the sea-floor where it is cold enough and the pressure high enough that it is hoped the material will stay there, assisted by the formation of CO2-hydrate.

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