id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
cet-14797		cet-14797		6	.pdf	application/pdf	3691	137	41	Wind energy system and solar PV energy system are selected as the input sources of the electrolyser because of their availability across the globe and energy independence from fossil fuels. Across these studies, scholars have widely acknowledged that the potential of hydrogen as a key element in urban energy systems, despite their approaches and focuses vary.	cache/cet-14797.pdf	txt/cet-14797.txt