Geiselwind (D) Archive
![](https://www.energytours.eu/wp-content/uploads/2017/10/HN2_4_Geiselwind_M-501x300.png)
Hydrogen Challenge #2 Bergen-Bolzano (Day 4)
Day 4 may have been felt by some as the most critical of the five days. A total of 628 km were driven on the fourth day. It was the day with the longest distance, and with