Makes Sense To Me -- Cars Don't Go As Far With Less Fuel

Drivers putting less gas in tank, then running out
It makes sense mostly because it almost happened to me.  Only it was just because I got a late start and didn't have time (or think) to get gas.  But let me tell ya, heading deep into the Adirondacks where there's no wireless phone service makes that "low fuel" light burn at ya a wee bit brighter.