Earlier quoted context omitted.
Batteries? Fuel efficiency? Better catalytic emission filter?
Better cheating? Although they're already pretty successful at that, the dieselgate thing cost them some money, but none of the executives in charge of the fraud is in jail or financially punished. ["How VW Paid $25 Billion for 'Dieselgate' – and Got Off Easy" - https://en.wikipedia.org/wiki/Volkswagen_emissions_scandal ]
I love my VW GTI.