Perhaps you'd like to get some actual numbers behind your claims?
And not stuff like "trains are very rarely entire full". Of course they're not. But cars are almost always entirely empty.
And not stuff like "trains are very rarely entire full". Of course they're not. But cars are almost always entirely empty.
Rolling resistance is the big issue that usually favours trains. On the other hand, could we design cars with an extra set of wheels or something?
For long distance/high speed aerodynamics is more important than weight.