A study through alchemical method -- structure exchange -- resulting calculation conversions between two objects. Alchemist.
Successful:
Eufbauna: A fuel made through leaves processing.
Aether: A better performance fuel than Eufbauna. Made by many complex alchemical processing.
Athery: A portabla storage for Aether.
Transmuter: A device to do a quick alchemy conversion. Don't need any energy but Eufbauna or Aether would improve the performance.