The pumpbarrelofthe hand-press pump is arrangedin a liquid medicine box, and the pressurestoragebarrelis usually arranged at the outer side of the liquid medicine box.
Light, sweet crudes are cheaper to pump, transport, and distill and produce more gasoline per barrel than other types of crudes so it generally goes for more dollars per barrel than others.
Sweet light crude oil yields the most gallons of gasoline per barrel of oil and since it has low viscosity and low density, it is comparatively inexpensive to pump, transport, and refine.