Exactly, people love to hate on Capitalism, but it is a very powerful tool. But externalised cost is the downfall that governments need to step in and control.
I think you have just described something like a traditional or plug-in hybrid that recovers energy that would be wasted under braking or puts the ICE under additional load to keep the specific fuel consumption as low as possible
Woah I really have to disagree with numbers being easier to remember. I would imagine 3x words is far easier to remember than 12-16 numbers, and I don't see how it couldn't not be the case. The problem with using words that I see are as you've said - English locale isn't global, words without context can be misheard easily etc