Iran is increasing supplies of a key crude grade that Venezuela is using to boost its aging refineries' productivity and free domestic oil for exports, documents seen by Reuters on Tuesday showed.

The two US-sanctioned countries have

Oil rose on Tuesday on expectations Russia's reduction in natural gas supply to Europe could encourage a switch to crude, though concerns over weakening fuel demand because of an expected increase in US interest rates limited gains.

There are only two reasons that the plastics industry will change, a polymer scientist once told me: war or legislation. Corporations along the plastics value chain have faced a number of environmental and health crises, from toxic scandals to mar