In the first month of the US-Israeli war on Iran, the Canadian oil industry made after-tax profits in excess of $6 billion -- $4 billion more than it pocketed the month before. It is well past time Canada applied a windfall tax on these excess profits:

https://www.policyalternatives.ca/news-research/the-oil-industry-is-making-billions-from-the-iran-war-it-should-be-taxed/