A method for identifying and quantifying Usage EcoDrifts

Usage ecodrifts, which refer to non-optimal use of a product by the users, create additional environmental impact generators: energy overconsumption (real-time impacts) and abnormal wear and tear of parts of the product (delayed impacts). The goal of our study was to develop a method for identifying and quantifying UEDs of products that have a high environmental impact use phase. In this paper, we studied the case of different usages of a vacuum cleaner and their environmental consequences. We first conducted a survey to gather information on how people use the product. Then, we conducted experimentations to measure the consequences of the usages. We also explored how the testers responded to feedback inviting them to adopt a more sustainable behaviour. Results show that most of the users do not use the product optimally and cause additional environmental impact. Several usage ecodrifts were identified, causing both abnormal energy overconsumption and wear and tear of the product. The calculations show that Delayed Environmental Impacts, because their consequence is the early replacement of the whole product, are of much greater importance than Real-time Environmental Impacts.

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