<p>We recently welcomed YouTuber Geoff Marshall to the Long Marston Rail Innovation Centre where he joined us onboard HydroFLEX for one of its mainline test runs. <br><br>We spoke about HydroFLEX’s development so far, how it is helping to shape standards for hydrogen traction in the UK and our future aims for the train. <br><br>You can watch the video from Geoff's visit here:</p>
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