id	keyword
fuelectenerg-6379	traffic
fuelectenerg-6379	data
fuelectenerg-6379	clustering
fuelectenerg-6379	analysis
fuelectenerg-6379	model
fuelectenerg-6379	research
fuelectenerg-6379	fig
fuelectenerg-6379	clusters
fuelectenerg-6379	algorithm
fuelectenerg-6379	safety
fuelectenerg-6379	participants