Matched context for combustibility and economy

The page lists matched contexts for combustibility and economy.

Share - combustibility	Share - economy	Phrase
38.42%	11.05%	improve {combustibility or economy} [perform operation]
3.66%	23.04%	fuel {combustibility or economy}
14.37%	4.17%	improved [effectiveness] {combustibility or economy}
10.54%	2.96%	good [character] {combustibility or economy}
14.70%	1.28%	enhance {combustibility or economy} [perform operation]
4.14%	1.24%	provide {combustibility or economy} [perform operation]