The Product Life Institute is Europe's oldest research and consulting firm dedicated to sustainability and closed-loop production practices.

Students are required to examine the case study on washing machines (which, interestingly enough, is the most popular case study on the LLI website).

Here is the link: http://product-life.org/en/archive/case-studies/washing-machines

Students are also encouraged to read through the other case studies available on the PLI website at:
http://www.product-life.org/en/archive/case-studies