The Ray Sphere was a device used by transferring the neuro-electric energy from a group of people to concentrate it into a human indevidual to unlock his/her powers. Though it will unlock the dormant abilities of the Conduit, it will kill the catalysts, and worse, cause a catastrophic explosion.
How many gallons of gas does the average mid-size car hold? The average fuel tank size for mid-size cars is 16 gallons. If the  price of gas was $3.59 per gallon, it would cost $57.44 to fill a  16 gallon tank.
20 gallons. 20 gallons, i believe almost all nissan cars holds just about that amount of gas. what is probably happening is that when you stop and go, the gas in your tank shifts around, causing the gauge to send you different readings, you shouldn't drive it down to 1 because letting the car run completely out of gas is bad for the engine.