After having done many solar workshops, I've always wanted to know the extent to which families are really continuing to use it. And after checking around a good deal, it seems to me that the technology is not really taking hold enough to change overall cooking habits. The participants are always very excited about the technique during the workshops, and I give them "homework" tasks afterward, which include teaching others to solar cook, et al. But in general they do not seem to be continuing it long term, and I've tried to analyze the reasons: