It turns out his plan is even more leftist than Trudy's. We don't have the full details but it looks like instead of doing tax rebates that can be spent on anything, he wants to set up "personal low carbon savings accounts" that can only be spent on approved low-carbon items.

https://thepostmillennial.com/otoole-would-scrap-trudeau-carbon-tax-and-replace-it-with-new-climate-plan