As the EU tries to finalize its hydrogen rules, Asian countries are moving fast to secure deliveries, and the US is committing money to set up local supply chains. Can the Middle East collaborate with both continents?

With the European Union looking to ditch Russian oil and gas, the African country says it could not only help bridge the gap but also bolster the bloc's green push thanks to abundant sunshine and high wind speeds.

The Scottish city of Aberdeen, famous for building its economy on North Sea oil, is preparing to launch a fleet of 15 of the world's first double decker hydrogen powered buses onto its streets as it transitions from oil to green energy.