Matched context for lpg and cng

The page lists matched contexts for lpg and cng.

Share - lpg	Share - cng	Phrase
9.01%	35.47%	{lpg or cng} tank
2.15%	16.68%	{lpg or cng} injector
2.80%	10.11%	{lpg or cng} system
1.46%	5.32%	use {lpg or cng} [perform operation]