Despite angry Republican rhetoric, the president has little control over prices at the pump.

ECONOMIST: Petrol prices

They contain a battery-powered pump and bladder, allowing the cylinder to control its buoyancy.

BBC: Cyber-sailors to survey oceans

The less we import, the more control we have over what happens at the pump.

WHITEHOUSE: Building a Clean Energy Economy

This is what this data is supposed to monitor, but the well flow evidence would appear to have been ignored, because at this point the BP rig supervisors should have gone to a well kill operation and started to pump heavy mud back into the well bore to restore the primary control mechanism.

WSJ: The Oil Disaster Is About Human, Not System, Failure

After replacing the pump, it was powered on, and both the astronauts and Mission Control verified that there was no more leaking.

FORBES: Astronauts Perform Emergency Spacewalk To Fix Ammonia Leak

In one of the first studies to address this issue, Netherlands epidemiologist Robert Laheij culled medical records of 365, 000 patients and found that people taking proton pump inhibitors had a 90% higher risk of getting pneumonia than a control group not taking the drugs.

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After parking the engine, a control is operated that transfers the power being output by the motor from the drivetrain to the pump.

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