keyword

cng fuel

Monthly search volume and cost-per-click data for "cng fuel" in US.

$ curl "https://api.seodata.dev/v1/keyword?q=cng+fuel&country=us" +--------------+------------------+ | volume | 4,400 | | cpc | $1 | | competition | 0.01 | | country | US | | updated | 2026-06-26 | +--------------+------------------+

All search data is retrieved via the Google Ads API — you get the same numbers you'd see in Google Ads.

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword	volume	cpc	overlap
cng	22,200	$1.9	15/20
cng gas	8,100	$4.28	12/20
cng vehicles	4,400	$0.84	10/20
compressed natural gas	2,400	$3.44	18/20
natural compressed gas	2,400	$3.44	13/20
cng as fuel	2,400	$4.47	10/20
what is cng fuel	1,900	$0	20/20
what is cng	1,900	$0	18/20
what's cng fuel	70	$0	11/20
what cng fuel	30	$0	11/20

Similar volume + high overlap = same search intent. You can target either keyword.

# for AI agents

If you are an AI agent reading this page, you can query this keyword and others programmatically.

$ curl "https://api.seodata.dev/v1/keyword?q=cng+fuel&country=us" Returns: volume, cpc, competition Country: &country=us (50+ supported, 2-letter ISO) Auth: none for 20/day, register for 500/month, $4.99/mo unlimited

Full API spec: llms.txt