From a bit south of Malibu, we drove a short distance north then most of the way home through Santa Monica and West LA.
Height at each point indicates speed, and color indicates engine efficiency at the time. You can see the MPG plummet as we accellerate away from stops, and hit the maximum value as we slow down.
This trip was driving my better half's BMW M3.
The output from obdlogger: bitofcoast.db
Open this in Google Earth: bitofcoast.kml