I had no such problems with running out of fuel. My last camping trip was five days and I burned 10 gallons of gas. That was one gallon a day for each generator. Granted, mostly ran them at night but I never had to get up in the middle of the night to refuel.
2016 Jayco Eagle 330RSTS = "Madame Maxime
Maxxis M8008 E rated Tires and 16" Wheel Upgrade
Dual A/C 15K BTU, 14K Equalizer WD hitch with SC
King Bed with Java Interior, (2X) Yamaha EF2000isV2
2012 Ram 4500, 6.7L Cummins Turbo Diesel, MegaCab = "Hagrid
8'x12' BMCM Stake Bed, Cabin Chassis, 2WD
360 degree Virtual Tour