Did you know? GDP in Saudi Arabia (2019) (793 billion USD p/a) is 40 x GDP in Papua New Guinea (2017) (19.82 billion USD p/a)
Capacity of petrol/gasoline road tanker (30,000 L)
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If this was a standard unit ...
Yes, there's now a book based on these numbers. Oxford University Press: July 2018.
Click here to learn more about it.
Click here for Podcast: Andrew Elliott interviewed for New Books Network.