Why do people leave their trucks idling, even when it's not very cold? Is there a practical reason? It seems to be mostly Diesel engines that I see being left running. -
Dual Fuel Conversion System for Diesel Engines: Inventions and Innovation Project Fact Sheet - UNT Digital Library
![Diesel Engine Runaway – What is it? What do you do about it? – IDParts Blog – Diesel News, Info and Guides Diesel Engine Runaway – What is it? What do you do about it? – IDParts Blog – Diesel News, Info and Guides](https://i0.wp.com/idpartsblog.com/wp-content/uploads/2018/01/thing.jpg?fit=564%2C400&ssl=1)