This mongrel mix between the classical gold standard and a fiat paper regime was at root unstable and unsustainable.

FORBES: Gold, Reagan and the Reds: From Degraded Dollar to Downgraded Debt

The new fuel blend uses a mix of 30% biofuel and 70% standard diesel.

BBC: Perth firm Stagecoach in greener fuel move

If football, race and politics make for a combustible mix in Italy, it is also arguable that the standard of the country's stadia is not helping.

CNN: February 21, 2013 -- Updated 1601 GMT (0001 HKT)

Like every new Continental, the new GT Coupe can run on both standard unleaded gasoline and sustainable bioethanol (up to E85) or any mix of the two.

FORBES: Bentley Unveils New Continental GT Coupe