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The paper explores knowledge recombination by analysing how knowledge networks in established technological fields influenced the formation of the emerging field of green shipping in the period 2007-2018. The authors build hypotheses to investigate whether important mechanisms for the evolution of single technology networks, embeddedness, proximity, and status apply across technological fields. By employing dynamic social network analysis models, they found that actors transferred knowledge across technological fields through (re)combination mechanisms, which affected the emergence of the new technological field, but in different ways. While embeddedness played an important role, status and geographical proximity were less important.