(a)
In general— Not later than 1 year after the date of the enactment of this Act, the Secretary of Transportation shall prescribe a motor vehicle safety standard under chapter 301 of title 49, United States Code, that requires a motor vehicle to be equipped with an ignition interlock device that—
(1)
determines the blood alcohol concentration of the operator of the vehicle; and
(2)
if the blood alcohol concentration determined by the device is equal to or greater than the blood alcohol concentration specified in section 163(a) of title 23, United States Code, prevents the vehicle from being operated.
(b)
Definitions— In this section, the terms “motor vehicle” and “motor vehicle safety standard” have the meanings given such terms in
section 30102 of title 49, United States Code.