"For anyone who has gotten stuck on a mountain road behind a massive recreational vehicle, get used to it, there are a lot more on the highway.
Recreational vehicles, ranging from bus-sized motor homes to retro trailers, have been a boom-and-bust industry since they first became popular in the early 1970s. Now a wave of retiring baby boomers and a surprisingly young new fan base have sent U.S. unit sales above their housing boom peak. Shares of the two leading manufacturers of RVs, Thor Industries THO -1.28% and smaller Winnebago Industries , WGO -1.37% each hit records last week."
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