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.
Let's say Car B usually averages 30 mpg, requires 87 Octane and has a 10 gallon tank. The price for 93 Octane is $3.50 and the price for 87 Octane is $3.10 for our example. A full tank of 93 Octane will cost $35.00 while a tank of 87 Octane will cost $31.00.