I found a National Fire Protection Association report on fires at gas stations. This link first takes you to a page where you can open an account. Once signed up you can download the report by using this link again.
link to NFPA reportNFPA wrote:
According to the U.S. Census Bureau, there were 117,000 gasoline stations in the United States in 2007. During 2004-2008, an estimated average of 5,020 fires were reported in and around these properties per year,
I'm not very good at looking through 50 page reports but it appears there aren't enough RV caused fires at gas stations to earn a mention in the report.
