id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
cord-317093-c70c1op4	Cheng, Yung-Hsiang	Urban transportation energy and carbon dioxide emission reduction strategies()	2015-11-01		.txt	text/plain	9087	366	43	Thus, energy and carbon dioxide emission reduction is becoming more significant in the sustainability of urban transportation systems. However, urban transportation systems are complex and involve social, economic, and environmental aspects.	cache/cord-317093-c70c1op4.txt	txt/cord-317093-c70c1op4.txt
