Why is time relevant here? I'd have thought it would be better to compare the CO...

		_-___________-_ on Oct 7, 2019 \| parent \| context \| favorite \| on: Uber makes JFK airport helicopter taxis available ... Why is time relevant here? I'd have thought it would be better to compare the CO2 emitted by one heli trip to the airport from central NYC to the CO2 emitted by one taxi trip to the airport from central NYC, in both cases divided by the number of passengers.