What are some topics related to sustainable manufacturing that are still in need of development and future research?
My masters thesis must incorporate some type of system modeling geared toward reducing energy Costs, however I am having diFficulty finding a topic that is unique and under developed. my Literature review consists of topics such as: production planning, predictive maintenance, buffer optimization, reduction of peak demand, systems which utilize renewable energy and or chp systems, agent based modeling, machine learning, etc.