We cannot afford to make the same mistake as we did with gas. If tech companies are going to use our land, energy and water for AI, they must pay their fair share of tax Follow our Australia news live blog for latest updates Get our breaking news email , free app or daily news podcast Over the past few months, tens of thousands of Australians have emailed their local MP calling for a 25% tax on gas exports. More than 2,200 people have even chipped in their own money to fund billboards promoting the idea.