In recent years, the connected car market has been expanding. Various car manufacturers are trying to provide Internet of things (IoT) services by collecting and analysing sensing data from cars. However, there is not a well-defined standardized IoT platform to handle the big data for the various car OEM companies or service providers. To resolve this issue, we propose a globally standardized IoT platform for connected cars based on Global Standard 1 (GS1). We extended and remodelled Electronic Product Code global (EPCglobal), one of GS1 standards, and developed a new IoT platform framework called open-language for IoT (Oliot). Then, based on the framework, we modelled car events and developed some hardware and software modules to capture, store, and share the event data. We also implemented demonstration services using the shared data for verification. This research can provide a new ecosystem to the connected car industries and service providers to enable standardized handling and processing of big data. As a result, it will be much easier to create and provide a greater variety of services and combinations of services.

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