Upgrade - Fuel Reserves

>>in-game description:
>>Increases the maximum amount of fuel your tanks can hold.

Useful, but not essential. You can consume Crystals for fuel, so low-fuel death doesn't happen normally.

Fuel Reserves Mk-8
Hydraulic Relay Fuel Drum Sub-System Regulator Pump	1 1 1 1

Default	Base fuel capacity
Mk-1	+25% fuel capacity
Mk-2	+50% fuel capacity
Mk-3	+75% fuel capacity
Mk-4	+100% fuel capacity
Mk-5	+125% fuel capacity
Mk-6	+150% fuel capacity
Mk-7	+175% fuel capacity
@Mk-8	+200% fuel capacity

*This data is taken from descriptions in Engneering Bay.