It's in the hopes of finalising a government deal
There's growing optimism an agreement can be reached later today, or by tomorrow at the latest.
Negotiations continued into the early hours this morning, with progress made in key areas.
Increasing carbon tax to 100 euro per tonne by 2030 and major investment in public transport are among the concessions being made to the Greens, according to the Sunday Independent.
Roderic O’Gorman, part of the Green’s negotiating team, outlines some of the issues being covered in talks: