9.20.2011 — Denali National Park and Preserve has been weighing propane autogas against various alternative fuel options for their fleet vehicles by testing a ROUSH CleanTech propane autogas Ford F-250 over a six-week span.
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9.20.2011 — Denali National Park and Preserve has been weighing propane autogas against various alternative fuel options for their fleet vehicles by testing a ROUSH CleanTech propane autogas Ford F-250 over a six-week span.
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