Which gas station sells gasoline at a lower rate? what price does it charge? gas station a sells gasoline at a lower rate. its price is $3.08 per gallon. gas station b sells gasoline at a lower rate. its price is $3.05 per gallon. gas station a sells gasoline at a lower rate. its price is $3.05 per gallon. gas station b sells gasoline at a lower rate. its price is $3.08 per gallon.