I left my truck running for most of the day last week. Cold outside, equipment batteries and spray paint inside the truck stayed nice and warm.
First thing I did when I bought the truck is make a bunch of spare keys (thank goodness they didn’t have the expensive chips in them!). I have the key in the ignition running, and lock the doors with the key fob in my pocket.
Although I bet “they” could have got me for crimes against humanity as per UN Regulation 666 for “Egregious emissions of global warming gases”.
Idling Laws By State
http://cdllife.com/2014/top-trucking-news/resources/regulations/idling-laws-state/
It was impossible to lock the doors of my Ford Expedition if the key was in the ignition. I could leave them in the seat or the cup holder but not the ignition. I also loved the remote door code entry. I never took my keys out of it at work or play. Just toss them in cup holder and lock the doors and walk away.
/s