What causes an excessive amount of white smoke coming from the exhaust pipe? on 2008 Volvo S60

This happens when the car is started and while it is being driven.

Asked by for the 2008 Volvo S60
Turbo seal leak.
4 more answers
Turbo seal leak.
all 3 are good answers but seek help and get a proper diag as not to waste time and money
intake or head gasket
antifrezze is getting mix with oil bad heads gasket