"The day after 9/11, I began changing my habits for the better and ever since then I've looked for methods to improve fuel economy," Gerdes told LiveScience. "We all have our trigger points — mine was global security."
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"The day after 9/11, I began changing my habits for the better and ever since then I've looked for methods to improve fuel economy," Gerdes told LiveScience. "We all have our trigger points — mine was global security."
