@hansw I thought you would need to know the CNG stations, as they are essential.

Suggestion, use the Here Maps site on your computer, and do a search, zoom in and see if they are identified.

If so, then it could be the way to go. If not, that won;t take long and you can look at other alternatives supporting the listings you must have.

Good luck! And let us know if you find them -- I am using the OP above for a new Blog post, soon.