The Natural Philosopher wrote:
harry wrote:
On Sep 24, 10:49 am, "Dave Plowman (News)"
wrote:
In article
,
harry wrote:

Volkswagen have been experimenting with thermpiles in the exhaust
to make electricity and thus eliminating the alternator.
Crikey. An alternator is actually a very efficient device. Sounds
like they're clutching at straws.

An automotive alternator is very inefficient. And not having it
removes a parasitic load from the IC engine.

Its very efficient. Probably 80% or better.

You never got it.