CHICAGO - US President Barack Obama flew 947 kilometers alone in his 747 from Washington to Chicago, to deliver a speech on saving energy.
Envisioning cars that can go "coast to coast without using a drop of oil," Mr Obama urged Congress to authorise spending $2 billion over the next decade to expand research into electric cars and biofuels to wean automobiles off gasoline.
Mr Obama, expanding on an initiative he addressed in his State of the Union speech last month, said the United States must shift its cars and trucks entirely off oil to avoid perpetual fluctuations in gas prices. Citing policies that already require automakers to increase gas mileage, he said he expects that by 2025, Americans will only have to fill up their cars half as often.
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