Hydrogen cars – a never-ending promise or a change on the horizon?
When you hear the term 'hydrogen car', you probably think of futuristic, state-of-the-art technology. That's not entirely true. The operating principle behind the fuel cell that powers today's hydrogen cars was invented in 1838 by Swiss scientist Christian Friedrich Schönbein, and NASA has been using the technology for manned space flight since the 1960s. But what's the current situation when it comes to using the technology – and in vehicles in particular?