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![Visitors look at Hyundai Motor's trailer drone during the H2 Mobility+Energy Show at Kintex, Goyang in Gyeonggi, on Wednesday. A trailer drone is a hydrogen-powered container transportation system that is fully autonomous. The event runs through Saturday. [NEWS1]](https://koreajoongangdaily.joins.com/data/photo/2021/09/08/0d87b739-00c5-4d82-ae48-17c86ce47103.jpg)
Visitors look at Hyundai Motor's trailer drone during the H2 Mobility+Energy Show at Kintex, Goyang in Gyeonggi, on Wednesday. A trailer drone is a hydrogen-powered container transportation system that is fully autonomous. The event runs through Saturday. [NEWS1]
with the Korea JoongAng Daily
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