The Propane G-License Review Seminar is a comprehensive review for technicians who will be undergoing their propane g-license testing. The reviews are 2-day classes. The seminars are held on Thursday and Friday of the week and run from 8:00 am to 3:30 pm. The course fee is $366.00 per applicant. License Review Classes are taught on the following dates. Three text books are required for each class and their cost is included in the $366.00 course fee