nov 30, 2021 - (US) Testing of the 1st line-haul hydrogen-powered locomotive for North America
Description:
 TESTING of the first line-haul hydrogen-powered locomotive for North America reached a new milestone on November 30 when the prototype unit moved under its own power for the first time.
https://www.railjournal.com/fleet/first-north-american-hydrogen-locomotive-begins-testing/ 
Added to timeline:
Date:
 ~ 3 years and 11 months ago