While The Times's Will Hodgkinson said the opening night "demonstrated that it is imagination and the power of art, combined with ruthless technological efficiency, that is at the heart of Kraftwerk's magic".

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That is because technological gains in fuel efficiency, instead of being used for better mileage -- something that American car buyers seem to actually care little about -- were used for increased size and speed.

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Technological improvements like energy efficiency and the demise of the Hummer have also made us less vulnerable to oil price swings.

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Each stage of converting and transmitting power results in a loss of efficiency, but with technological improvements these losses are being reduced.

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These chief executives have a much bigger ask than higher productivity, greater efficiency, or greater technological savvy: they want all of their employees to bring more creativity to all that they do.

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Their efficiency in terms of automatic control could end up making their technological innards even more complex and prone to problems--though Pouletty said manual control was available as well.

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