A miniature hydrogen train, a prototype model powered by a zero-emission hydrogen drive, travels through Prater Park in Vienna, Austria, on April 19, 2018. Lisi Niesner / Reuters
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Photo of the day
A miniature hydrogen train, a prototype model powered by a zero-emission hydrogen drive, travels through Prater Park in Vienna, Austria, on April 19, 2018. Lisi Niesner / Reuters
Source:
That looks cool 🙂