Here is a list of the operations/activities that are possible with a trike commercial pilot certificate/license. Overall these would provide new jobs plus save energy/money over the conventional helicopter and airplane aerial operations.
Power/natural gas/oil pipeline patrol
Border patrol
Law patrol/enforcement
Fly cargo/medical supplies to small remote areas
Search and rescue
Disaster relief
Wildlife management
Sightseeing tours
Photos and video for all types of activities such as Real Estate