Compression latch technology such as that recently introduced in EMKA’s 1000 program, has significant advantages in closure of doors on such diverse equipment as electronic racks, vehicle mounted units, telco cabinets and other industrial electrical/electronic panels.
Comment: Hybridisation is a new era for aerospace
Regeneration during braking would be a good start. Some wind-milling during decent could possibly contribute. Also the engines could be lower-powered...