Adds the Gas Power Plant from K2 but with up to 6 tiers to research. Also you get it earlier (after oil-processing).
Generated power scales linearly to tech level and fluid effectivity is taken from solid fuel recipes (less fluid per Watt needed).

Originally forked from
https://mods.factorio.com/mod/upgraded_gas-generator
but made some changes to code.

Orginal Idea: ElAdamo
Model: Krastor