POTUS driver blows smoke and exhaust all over Macron and his wife/mama when he arrived at the L'elysse. HAHA. Take that froggy!

Source is in french:

http://www.leparisien.fr/politique/quand-la-cadillac-de-trump-enfume-les-macron-a-l-elysee-10-11-2018-7939752.php

>>3846792

>>3846811

Another possibility: USSS had security provisions in place for helicopter transport and deemed impromptu vehicle transport too risky.