You need to consider the amount of fuel used to produce the calories you consume cycling, which may be more or less than UPS, depending on how much additional d

You need to consider the amount of fuel used to produce the calories you consume cycling, which may be more or less than UPS, depending on how much additional driving UPS has to do to deliver (it may be fairly small e.g., if they're already in your neighborhood for another delivery). [Of course, cycling has health benefits too, but if we're just considering fuel...]