All about the oil
Updated on 08 March 2006
It's the world's second largest oil producer, we assess the power of Iran's oil.
>>Watch the report
Iran won't use oil as a weapon, its chief negotiator, Ali Larinjani promised earlier this week. But today envoys have warned that policy could change, if the nuclear row escalates and sanctions are imposed.
Iran is OPEC's second largest oil producer - pumping five percent of the world's oil.
Our economics correspondent Liam Halligan asks whether this latest showdown is really a nuclear dispute - or could it be all about oil?
