Here are some articles and projects where we show how to do Asset Tracking. One article is about an Iceland trip, the other is about building out a GPS tracker, complete with data dashboards.
Yes, you are correct. I am responsible for the messaging on blues.io and I agree with you, we could do a better, more full job explaining.
We are working through the final elements of a website revamp right now. I chose to update the whole site, rather than do it piece by piece so please accept my apology.
If you comment to this thread, I'll circle back and let everyone know when the site is updated and you can tell us what you think about it.
If you aren't fully invested with React, you may consider NativeScript: https://www.nativescript.org/ The Android experience is a bit more mature, and you can still write cross-platform mobile apps with JavaScript (or Angular) without being in a WebView.
Iceland: https://blues.io/blog/vacation-gps-asset-tracker/
Full Asset Tracking Project: https://www.hackster.io/paige-niedringhaus/low-code-gps-asse...
Adapting this for a car would be straightforward.