keyword

auto cng

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

$ curl "https://api.seodata.dev/v1/keyword?q=auto+cng&country=us" +--------------+------------------+ | volume | 1,600 | | cpc | $2.49 | | competition | 0.04 | | country | US | | updated | 2026-06-13 | +--------------+------------------+

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 vehicles	4,400	$0.84	11/20
cng vehicle	4,400	$0.68	9/20
cng car	2,400	$0.86	17/20
cng cars	2,400	$0.86	10/20
natural gas cars	2,400	$0.14	10/20
natural gas car	1,900	$0.16	10/20
c n g car	1,600	$0.06	11/20
car cng	1,600	$0.06	9/20
cng for car	1,600	$0.06	9/20
c n g auto	880	$7.97	9/20

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=auto+cng&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