Abstract
The Design for Development sector, particularly in the area of clean cookstoves and fuels, has called for better monitoring tools to evaluate and promote impacts of new products. This paper presents the development and testing of the FUEL sensor designed to meet this need. A multi-site, longitudinal case study that used a mixed-methods approach was employed in Guatemala, Honduras, and Uganda to evaluate technical feasibility, system usability, and market value. We found that triangulation of ethnographic and sensor-based data improved our certainty of results, which indicated acceptable technical performance, high usability, and potential market fit. Theoretical discussions include the prevalence of pro-innovation bias and ethical considerations. Broadly, this study encourages the design community to incorporate sensor-based data and rapid ethnographic methods in Design for Development.
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