Unless it’s an EV being charged with renewable energy, which as more transition to them, would likely make (non-train) ground travel be the lower emission option compared to flying (already a potential reality for Norway or other countries, still a very long way to go for the US).
Unless it’s an EV being charged with renewable energy, which as more transition to them, would likely make (non-train) ground travel be the lower emission option compared to flying (already a potential reality for Norway or other countries, still a very long way to go for the US).