Originally Posted by cossie1600

you have more problems if the world runs out of nickel, but then i dont mind a free lithium ion upgrade. i keep the z for racing. for stop and go traffic, why am i going to burn premium at a rate of 15mpg when i can do regular at 40mpg. since i drive 20k a year, my fuel saving is about $2000 a year. i do either true city driving or the boring long highway drives, driving a prius or the z makes virtually no difference