So the easiest solution for now is to have a geo-located model in SketchUp (File->Geo-Location->Add Location), then File->Export->3D Model and save a Google Earth KMZ. Share that file with someone - email it, Dropbox, Google Drive, put it on a web page, whatever… they can download, and Google Earth will open and show them where it is.
While maps.google.com will take KML’s at the end of a url and show them, they wont do KML’s with 3D buildings in them 