And, says Knaysi, not only has medicine gotten much more complex with "a huge menu of options" for testing and therapy, but the fear of lawsuits has become ingrained in both doctors' and hospitals' minds.

NPR: Doctors Say Costs, Not Care, Have Become Focus

The food trucks are currently racing to get up and running, having already undergone a rigorous testing process that included a presentation of their business plan, a proposed theme and menu, and a cook-off.

BBC: Food trucks are racing towards Sydney