OK, so what you really mean by "remove the subsidy" is "tax oil companies seven trillion dollars a year"? That may be a challenge for an industry that sold $2 trillion in the US last year, but if we're making up numbers, it'll work out.
But the larger issue is that this is driven by international emissions, so whatever the US does is essentially irrelevant to that outcome.
But the larger issue is that this is driven by international emissions, so whatever the US does is essentially irrelevant to that outcome.