It shouldn't have been. Since 1996, every travel trailer, RV and camper in the U.S. that uses propane has been required to have a propane detector, and the trailers issued by FEMA were no exception.

Q: I have a mountain cabin, and the county wants me to put in a propane "sniffer" in the crawl space. They are kind of pricey. What do you think? -- Alisa A: It's a no-brainer. Propane is insidious ...