in those cases, drifting (ie powerdriving/powersliding not sure how its called) is only one of the techniques (left foot braking, flicking, handbrake, etcetcetc) used to go fast.
it can be used in tarmac too, but it is not so much drifting as a very very slight oversteer to take a corner faster than it is possible to take without losing traction at all.
it can be used in tarmac too, but it is not so much drifting as a very very slight oversteer to take a corner faster than it is possible to take without losing traction at all.