The First Minister arrives in the US today to meet with business, political and academic leaders in San Francisco as part of a four-day trade mission.
Carwyn Jones will lead a delegation of 18 Welsh companies from sectors including life sciences, ICT, and the creative industries in efforts to promote trade and potential inward investment in Wales.
More top news
There are already 17 directly elected Mayors in England but none across the border so far.
Bristol Airport says abolishing air passenger duty in Wales would result in passengers and airlines flying from Cardiff instead.
An additional £7 million has been put aside by the Welsh Government to build in areas where the housing supply is low.