Engineers are always plugging away to get better energy efficiency out of our products — like cars that guzzle less gas or light bulbs that burn brighter on fewer watts.

工程师们一直都在坚持不懈地提高我们产品的能源效率，比如让汽车油耗更低，或者让电灯泡耗电更少，但亮度更高。

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Giant planets, they surmised, would guzzle gas in a similar way as they grow.

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But the boats guzzle gas, and with the uncertain investment climate in Zimbabwe, many owners have let their vessels fall into disrepair.

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Even though it lets them make cars that guzzle more gas, they say they support it for the sake of reducing Americans' gas consumption.

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