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Less than a year and a half after converting its 10 patrol vehicles from gasoline to propane autogas, the Polk County (Ore.) Sheriff's Office reports that it has saved $25,000 in fuel cost.
Read More →Polk County Sheriff's Office began converting seven Ford Crown Victorias, two Chevy Tahoes, and one Ford F-350 pickup truck to propane autogas in March 2013.
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