tankful

noun

1. The amount (usually of a fluid) that will fill a tank.

   “Each tankful of leaded gasoline causes an increasingly thick coating of lead to build up on the catalyst.”

   “1988 July, advertisement, Field & Stream, page 57, Regane^® Premiumᵀᴹ is a gas treatment so superior, it′ll work through eleven tankfuls-not just one.”

   “One driver has kept track of several tankfuls of gasoline by recording the miles driven and gallons used for each tankful.”

   “In 2015, two men drove a car through all 48 contiguous U.S. states on less than $300 of diesel fuel, or just eight tankfuls.”