11
/
en
AIzaSyCYaC8UkdPkQKLFUmpasLV5eC3M802CrcA
16203
1592
2

jan 1, 1939 - Rudolf Erren – Erren engine – US patent 2,183,674 – Internal combustion engine using hydrogen as fuel Hans Gaffron discovered that algae can switch between producing oxygen and hydrogen.

Added to timeline:

5 months ago
0
0
56
Hydrogen Tech

Date:

jan 1, 1939
Now
~ 79 years ago
FeedbackPremiumAboutTermsPrivacy