You can use either term. 'Burned' and 'burnt' are variations on the same word, just like 'learned' and 'learnt'.So you could say, 'The car smelled of burned rubber', or 'The car smelled of burnt rubber'.
a burnt rubber ball in the cardorater
Rubber
Acrid
probably being over used and the rubber inside is burning and melting....
a smell of burnt hair comes, i think
the cigarette turn to full burnt
The soot/burnt oil could be coming from a leaking valve cover gasket. The burn rubber may be coming from your fender wells if your tires are rubbing.
That wasn't a frog. Your dog introduced himself to a skunk and the skunk resiprocated.
It is black and melts
It is burnt.
Where ?on what? Mostly on a belt driving something