Hitachi will supply more than 3,000 high-efficiency indoor Variable Refrigerant Flow (VRF) units, to be deployed across 21 stations. The units will be manufactured at its facility in Barcelona, Spain.

Mia McGrath says she has saved her sizable nest egg by cutting back on life's luxuries like takeaways and boasts of eating pasta meals for as little as £1 a time while living at home with her parents.