Use the new Green Fluid Tank Wagon that gives you the less space (15k) - 100% credit to DellAquila (I just changed it from big to small)
Adds grids to cars, locomotives and wagons. Changes the inventory sizes of the player, chests, cars and cargo/fluid wagons and some of their stats. Details: + Wooden/Iron/Steel/Logistic chest new inventory size = 20/40/60/60. + Car and Tank new inventory size = 150. + Cargo Wagon new inventory size = 120. + Fluid Wagon new fluid capacity = 50k. + Storage Tank new fluid capacity = 100k. + Car, Tank and Locomotive new fuel inventory size = 5. + Tank, Locomotive and Artillery grid size = 16x16. + Car and Wagons grid size = 12x16. + Car, Locomotive, Wagons and Tank health = 1000/2500/2500/3500. + Modular/Power-Armors new grid size = 8x10/10x12/12x16. + Armor inventory size bonuses = 20/40/80. + Player's starting new inventory size = 100. + Artillery shell new stack size = 10. - Artillery wagon new weight = Locomotive weight. Now add some construction robots, personal roboports, shield and laser equipment to your vehicles. Build your empire... and have some aggressive negotiations with the biters.
Adds new tiers of nuclear reactors with the goal of minimizing entity counts and allowing updates-per-second (UPS) friendly nuclear setups. Also, adds a burner heat source that requires green and red science to allow the efficient use of coal with turbines and heat exchangers.
Adds mirrored versions of fluid recipes with flipped liquid inputs/outputs