Another significant factor was the ubiquity and profitability of smuggling operations, which encouraged importing and reexporting rather than production.
Some particular contemporary developments are the proliferation of front- and all-wheel drive, the adoption of the diesel engine, and the ubiquity of fuel injection.
The black kid gets to see his tag spread further, in search of bragging points for ubiquity, that bottom-line standard for a graffiti writer's success....
