Because now is the time to step on the gas, not slam on the brakes.

WHITEHOUSE: Weekly Address: Extending and Expanding the Payroll Tax Cut | The White House

Regardless, many businesses see changes of this sort when they get ready to step on the gas.

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But when a lot of folks are still looking for work, now is the time for us to step on the gas.

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If there were any doubts that Beijing's economic mandarins needed to step on the gas pedal, official and private sector data released Monday provided grim confirmation.

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Competition for Netflix in the U.S. has started to accelerate and the company will need to step on the gas pedal of innovation and content acquisition in order to stay ahead.

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"John McCain's ridden shotgun as George Bush has driven our economy toward a cliff, and now he wants to take the wheel and step on the gas, " Obama said at a rainy rally in Chester, Pennsylvania.

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Some might add shale gas to that list as an intermediate step on the way to true low-carbon technologies.

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