Add Yahoo as a preferred source to see more of our stories on Google. A smiling man holding a propane tank in a store aisle - The Image Party/Shutterstock Costco tends to be the place that people go ...

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We may receive a commission on purchases made from links. Propane is a non-toxic, colorless, and odorless (although manufacturers add odor for safety reasons) gas that can be used in several ways ...

Ed Rose, left, a mechanic for Knight's Airport Limousine of Shrewsbury, and Evan King, a field service engineer for Roush CleanTech, prepare a Knight's passenger van for a propane tank installation.