In this week's highlights: The international effort to isolate Russia dominates oil markets; gas markets continue to grapple with the fallout from Russia's invasion of Ukraine; French nuclear power generation is set to fall further; and UK plastics producers face additional costs from a new tax.

-Russian standoff roils oil markets, OPEC+ to meet (00:17)

-Gas markets remain volatile on Ukraine, ruble order (01:27)

-Nuclear summer woes, long-term boost (02:28)

-UK plastic tax in force from April 1 (03:00)