In article ,
The Natural Philosopher wrote:
Yes regen , been used on the tube railway since god knows when, isn't
that much of a factor..

most car losses are tyre rolling resistance and air resistance.

So that's how to improve the range of any car - get rid of the tyres. And
of course drive very slowly where air resistance is minimal. Or drive with
the wind where it helps things.

Neither
of which I would describe as friction, though that;s more a matter of
precise definition.

It's the major factor. In still water a single person can move a ship
weighing many tons. You'll not do that with a similar weight vehicle.

--
*Middle age is when work is a lot less fun - and fun a lot more work.

Dave Plowman London SW
To e-mail, change noise into sound.