ok ... so i have never been a fan of smokey diesel trucks. and this one is basically dyno tuned, so it takes a very careful pair of feet to not fog the road behind me. not a puff at take off or something, it will blatantly roll coal if you smash it going down an on ramp. i need to tune that out ASAP for my sanity, and for the sake of my white trailer.
HOWEVER ... when you've done all that slow and calculated acceleration to get to speed without smoke, and a Prias cuts you off making you smash the brakes ... the shear will power it takes to not fog him as you go around takes serious concentration.