Diesel Locomotive was discussed informally as a potential emoji/Unicode symbol to complement the existing steam Locomotive (🚂) and Train (🚆) characters, but it never became an officially approved emoji. Interest around the mid‑2010s emoji expansion era included calls from rail fans and transport communities for a modern, non‑steam locomotive to represent contemporary rail power, freight hauling, and long‑distance logistics. Supporters argued it would capture meanings like strength, reliability, “workhorse” energy, and real‑world rail operations more accurately than the nostalgic steam engine. The idea also intersected with internet culture, where “hype train” and “freight train” metaphors are common, and some users preferred a diesel look for a grittier, industrial vibe.
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Emoji History The emoji code/ image log of changes.
This emoji was one of the "suggested emojis" the Unicode group unveiled in June 2014 [article], however, it has been, and still is, up to the companies who support emoji in their operating systems to provide not only images but also an algorithm to replace the emoji code into the emoji image.
