I have heard that most US currency larger than $10 bills has traces of cocaine on it, this news does nothing to dispel that notion.

The demand for the drug from the USA fuels this sort of thing, any Colombian, Peruvian or Bolivian will tell you that

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1991 560 SEC AMG, 199k <---- 300 hp 10:1 ECE euro HV ...

1995 E 420, 170k "The Red Plum" (sold)

2015 BMW 535i xdrive awd Stage 1 DINAN, 6k, <----364 hp

1967 Mercury Cougar, 49k

2013 Jaguar XF, 20k <----340 hp Supercharged, All Wheel Drive (sold)