This is the current breakdown of the CFD engine fleet: 2001/05 32, 06/10 23, 16/20 22, 21/24 15. Spares 1993/95 7 units, 2001/02 16, and 4 from 2006. As for the 7 93/95 units under Illinois regulations they qualify for "Antique Vehicle" plates. Note that from 2011-2015 2 units were purchased...