Hyundai Motor Group introduces the value of Hydrogen energy. So what is Hydrogen? Good question. Hydrogen is the most abundant element that accounts for 90% of all molecules in the universe. But are they safe and economical? Let’s find out. In “The History of Hydrogen and Its Value” episode, we’re building our knowledge on the history of hydrogen by learning when they were first discovered and how they were applied to modern vehicles due to their value as an alternative energy source of the future.