CBS Evening News | "Hypermilers" go to extremes for fuel efficiency

"Hypermilers" go to extremes for fuel efficiency

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As gas prices hover near record highs, some drivers are going to extremes to conserve fuel. They're known as "hypermilers." Kris Van Cleave takes a look. Air Date: Mar 18, 2022

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CBS Evening News | "Hypermilers" go to extremes for fuel efficiency

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