China is willing to forge a closer partnership with Russia on energy issues to ensure global energy security, President Xi Jinping said on Tuesday, as the G7 grouping of nations prepares to impose new measures on Russia's oil exports.

Moscow has sent India a list of more than 500 products for potential delivery including parts for cars, aircraft and trains, as sanctions squeeze Russia's ability to keep vital industries running.

Russia has lost Europe as its largest energy client "forever", the head of the International Energy Agency Fatih Birol told an energy conference on Tuesday.

A bicycle pedalled by passers-by powers up a Christmas tree-shaped light installation in Budapest, as the local mayor applies sustainable technology to celebrate the festive season while saving on surging energy costs.