they are not a critical resource but as i said earlier,between monsters,nomads,pirates,mercs,and gods and the fact that some systems are toataly empty you will need gas stations along the way.
Ships
BOmber:bigger fighter more accurate.
Assualt carrier:a realy big big carrier
Gunship: in between a battlship and battlecruiser,more acurate,and speedier.
Scout

ightly smaller then a escort,engine bonus,weapon minus.
Warscout:like above but withut the minus weapon thingie.
probe:10kt,engine bonus.
Marauder:a slightly smaller dreadnough,for pirates.
Blackhole ship:for pirates only,highly expensive they probably only will have one.built in weapon bonuses,blackhile maker,quantem reactor,and
Planetary assualt cruiser:built in cargo bays,and(is this possible i havent checked my windows cpu is down)a planet hit ratio bonus.
Striker:a pirates light cruiser
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Some rule some serve
some declare wars some
fight them
i declare wars i rule
you serve you fight
wars.....
we are not the same.....
never forget that..