Ok, so the changes in 6.0 for fuel consumption are definitely attention getting!
Running a 6.10 campaign, my Battlefleet just ran off to swat some annoying bugs (Swarm) who splashed a grav survey ship. Tanker topped off and the Battlefleet set out to exterminate the alien scum. All is good.
Next thing I see in the event log;
"Marco Polo is unable to complete order to refuel on Earth"
"Antonio Abetti is unable to complete order to refuel on Earth"
What? That cant be right!
Hit F2, and scan down to the fuel and maintenance entries;
Fuel Available
0 Holy crap! The entire Terran Imperium is OUT OF GAS!!!
Despite my fuel efficiency research, despite having three fuel harvesters going on Jupiter, despite having multiple planets being automined and mass driver delivering the loot to Earth...
I am out of gas....
THAT was a first for me!
Contemplating changing the administrator of Earths name to "Jimmy Carter".....