That is the assumption that the key ingredient in any business is technology.

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If technology is the key ingredient to rejuvenating the American economy, it has to work where the problems are biggest and the task the hardest.

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But the -- as part of a two-day trip to highlight his all-of-the-above energy strategy, which includes, obviously, a focus on development of battery technology, which is the essential ingredient to these kinds of automobiles.

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