The bigger tunnel people have proven success, while the small tunnel people just have hype.
People shut up about electric cars over hydrogen when electric proved itself. Note that back when this started there were many hydrogen naysayers who pointed out all the problems the hydrogen proponents have faced. The electric car people got lucky that lithium batteries advanced to where they could work - 20 years ago this wasn't a given to battery experts.
People shut up about electric cars over hydrogen when electric proved itself. Note that back when this started there were many hydrogen naysayers who pointed out all the problems the hydrogen proponents have faced. The electric car people got lucky that lithium batteries advanced to where they could work - 20 years ago this wasn't a given to battery experts.