seodata.dev

keyword

methane cars

Monthly search volume and cost-per-click data for "methane cars" in US.

$ curl "https://app.seodata.dev/v1/keyword?q=methane+cars&country=us" +--------------+------------------+ | volume | 90 | | cpc | $0 | | competition | 0 | | country | US | | updated | 2026-05-31 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
natural gas vehicles 4,400 $1.64 19/20
cng vehicles 4,400 $0.84 16/20
natural gas vehicle 4,400 $0.84 15/20
methane car 2,400 $0.74 20/20
natural gas cars 2,400 $0.14 18/20
natural gas car 1,900 $0.16 18/20
vehicular natural gas 1,600 $5 13/20
methane powered car 90 $0 17/20
methane powered cars 90 $0 16/20
methane gas car 30 $0 14/20

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://app.seodata.dev/v1/keyword?q=methane+cars&country=us" Returns: volume, cpc, competition Country: &country=us (50+ supported, 2-letter ISO) Auth: none for 20/day, register for 1,000/month

Full API spec: llms.txt