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About Emerald www.emeraldinsight.comEmerald is a global publisher linking research and practice to the benefit of society. The company manages a portfolio of more than 290 journals and over 2,350 books and book series volumes, as well as providing an extensive range of online products and additional customer resources and services.Emerald is both COUNTER 4 and TRANSFER compliant. The organization is a partner of the Committee on Publication Ethics (COPE) and also works with Portico and the LOCKSS initiative for digital archive preservation.*Related content and download information correct at time of download. Design/methodology/approach -This research adopts a multiple case study approach with three leading UK grocery retailers as exemplars of fast-moving consumer goods retailers, conducted using multiple data collection techniques including interviews, system demonstrations, onsite observations and the use of archive information. Findings -ICT solutions have a direct positive impact on CO 2 emissions reduction but opportunities to further reduce CO 2 emissions are perceived as lying beyond retailers' own distribution networks. These opportunities are not fully utilised due to the complexities of collaborative ICT provisions and retailers' reluctance to share information with competitors.Research limitations/implications -A limitation of the study is that it is exploratory and only three cases were examined. Even though these three retailers represent over 60 per cent of the UK grocery retail sector, other retailers may deploy significantly different ICT applications. Practical implications -The research provides an overarching insight for businesses on how to leverage the existing and emerging information technologies for environmental and economic benefits. Originality/value -While sustainability issues have received increasing attention recently, the role of ICT in freight transport for CO 2 emissions reduction has not been investigated in depth and its impact is largely unknown. This research advances understanding about how ICT contributes CO 2 emissions reductions and provides a framework for further investigation.