 The term rose to prominence in general usage in England in July 2007 when severe flooding in the valley of the River Severn caused interruption of the piped-water supply to a large area of Gloucestershire.Bowser also describes a fuel tanker used to deliver fuel to aircraft at airports or airfields.The term also describes refuelling boats that supply seaplanes, army fuel tankers used for combat resupply, and vehicles that fill heavy construction equipment such as hydraulic excavators and bulldozers.