Yes well, unfortunately, hastening climate change will also disproportionately punish the poor in very concrete ways much more than high gas prices ever will. It’ll also punish the real poors of the southern hemisphere.
You can force corporations to pay 50% of the fare of any of their employees transit like it’s done in a lot of places in Europe and I’m not against that as a band-aid but nothing beats re-zoning to fix your density issues and living close to work in terms of quality of life and ghg emissions