If I run out of AdBlue will the engine shut down

No, the engine will not shut down, but some engines automatically limit engine performance when AdBlue® supplies are depleted.

If your engine is equipped with SCR technology, your vehicle will lose power and reduce its emission according to legal standards. The vehicle’s performance will be restored when AdBlue® levels are up again.
Note: Some engines will not start after you have run out of AdBlue®. Make sure that you have an emergency supply on board, or continue to the next distribution point without shutting down your engine.

If you want AdBlue® for your passenger car, you can know all about it from this ARTICLE and can download our APP from iTunes or Google Play by clicking on them. This is how it works:

If you have a passenger car and have any type of AdBlue® can already than here is a short video of how to refill your passenger car using a nozzle which comes with it. Check it out ->

If you are a truck or a bus company/operator, this video explains how Greenchem telemetry works to fill your dispensing systems automatically. In this, the truck or bus drivers just have to refill their tank from the dispensing system.