good points crenwelge.
As a sole proprietor of a 'creative services' business I am considering using my panel truck for advertising, marketing and promotion as well as delivering final product if the job requires (eg signage, art shows, etc)
Since I have a personal vehicle I can only imagine a gray area being using the truck to drive to local car shows although that could be considered marketing and promotion since I would likely be promoting creative services wherever the vehicle goes.
Definition of creative services???
Metal sculpture, dimensional signage, graphic, web and logo design, halloween prop/mask creation... basically anything that requires visual design. Pretty wide range of services but seems to cover business use of the truck.
Again, just thinking about this now. Plan on talking to my tax guy.