As a diesel Ram and VW TDI owner, my two favorites are when the green pump is gas and the black pump is diesel (I'm talking to you, Virginia!) and when the pumps only have the large nozzles that won't fit in the VW. Diesel marketing/branding/labeling is inconsistent and sucks.
2015 XLR Hyperlite 30HFS5 (mods being performed regularly)
2009 Salem LA 292fkds (gone)
Nights- ('12)23 ('13)23 ('14)15 ('15)31 ('16)25
2014 Harley Davidson FLHX (XLR cargo)
2014 VW Jetta TDI (diesel sipper, camping support vehicle)
2011 Ram 2500 CC 4X4 CTD, B&W Companion (toy hauler hauler)