Zero tolerance in Texas regarding drivers under age 21 means _______.

the BAC may not exceed 0.02% while operating a vehicle

no alcohol consumption is allowed only while driving a vehicle

drivers may not operate a vehicle on the roadway when under 21

no alcohol consumption is allowed

the BAC may not exceed 0.02% while operating a vehicle

This means that drivers under the age of 21 in Texas are not allowed to drive with a blood alcohol concentration (BAC) level that is equal to or greater than 0.02%.