Fuel Shortage and Volunteer Pilot Training In Brazil

Brazil is experiencing a fuel shortage, leading to a presidential decree that removes private cars from Rio de Janeiro's streets. This has resulted in increased pedestrian traffic and the resurgence of streetcars. Meanwhile, aviation clubs are receiving fuel to train volunteers, who are being taught by North American instructors to become future Air Force pilots.

Describe the changes in public transportation in Brazil during the gas crisis.

Who were the instructors teaching at the aero clubs, and what was their significance?