Joseph McKenna, United States v. Pennsylvania Railroad Company…
“ It was there said that the Commission was of opinion that it was the duty of railroad companies to furnish refrigerator cars for the transportation of fruit; that at one time carriers might have declined to provide this special kind of equipment, but that the trade had so grown that the carriers 'might as well decline to provide stock cars for the transportation of live stock as refrigerator cars for the carriage of perishable commodities.' It was, however, added: 'But this duty does not spring from the act to regulate commerce, nor has this Commission any jurisdiction of that matter. ”
