Edited sentence: It meets its design specs of 0-60 in 3 seconds, 170 mpg equivalent; and at 1536 lbs, is only 36 lbs over the design target of 1500.It really does raise the performance driving experience to a new level, even for racing drivers.No clutch, no shifting, precise and immediate control of torque in drive and braking, perfect traction control…first gear takes you to 112mph….The X1 prototype is just the beginning