World reserve currency periods:
- Portugal (1450–1530)
- Spain (1530–1640)
- Netherlands (1640–1720)
- France (1720–1815)
- Great Britain (1815–1920)
- United States (1921-2029)
- Bitcoin (2030-)
@fia You fly all over the world burning millions of pounds of jet fuel. You transport cars using huge diesel trucks. Yet you're worried about the tiny amount of gasoline race cars burn in 3 days...