The party thinks they need to wake up to the cost of living crisis.
Sinn Féin is encouraging midlands TDs to publicly oppose increasing the Carbon Tax.
The next hike is due to come into effect in May, with the revenue being ring-fenced for green energy projects.
However, the party's Longford-Westmeath TD, Sorca Clarke, is calling on local TDs to wake up to the cost of living crisis.
She claims families cannot afford any further increases to their bills:
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