Carbon tax is regressive taxation. It punishes the poorest people in society. The people who are paying the most carbon tax and most fuel taxation are those in diesel and petrol cars, many of whom will never be able to afford solar panels or electric vehicles. Many are renters who will never have the opportunity to retrofit their homes. That is the truth. Carbon tax punishes the poorest people in society. I want to be clear. Five years ago, every party in this Chamber, with the exception of Aontú and a few good Ind…