Matched context for fuel and retrofit

The page lists matched contexts for fuel and retrofit.

Share - fuel	Share - retrofit	Phrase
7.90%	4.78%	{fuel or retrofit} engine [perform operation]
2.19%	4.88%	{fuel or retrofit} system [perform operation]
1.63%	4.20%	{fuel or retrofit} vehicle [perform operation]
1.00%	4.39%	method [does] {fuel or retrofit}
0.58%	6.78%	{fuel or retrofit} modal can
0.76%	0.48%	not {fuel or retrofit}
0.59%	1.34%	system [does] {fuel or retrofit}