Steve Schippert notes it at ThreatsWatch.Org: RapidRecon: Iran Updates Oil Weapon Threat:
From the Khaleej Times, an Iranian radio broadcast reminds that falling oil prices must not be tolerated (lest the regime go completely broke and be faced with fending off popular internal revolt.)One more incentive to develop our internal own energy sources be it offshore or whatever...
Iran would easily be able to close the key oil shipping route of Strait of Hormuz if the country were attacked over its nuclear programme, the head of the Revolutionary Guards was quoted as saying on Monday.
...including, but not limited to, keeping our cars tuned and tires properly inflated.