the thing is how it's just mentioned in passing that these rich petrostates are going hard to guarantee their post-oil economic security; like it's hardly worth elaborating upon and yet it's very significant in the context of more, er, 'frontier' petrostates, or indeed oil demand
“the small desert state has spread investment, influence and military hardware across Africa with dizzying speed in a bid to harness trade and resources for its post-oil future.”