A power-to-fuel process is an energy transformation that converts electrical energy to chemical energy by synthesising portions of matter into a synthetic fuel.
A power-to-gas process is a power-to-fuel process that converts electrical energy to chemical energy by synthesising portions of matter into a gaseous synthetic fuel.
A power-to-liquid process is a power-to-fuel process that converts electrical energy to chemical energy by synthesising portions of matter into a liquid synthetic fuel.