; and (3) revise section 383.79 of title 49, Code of Federal Regulations (or a successor regulation), to allow a State to administer a driving skills test to any commercial driver’s license applicant, regardless of the State of domicile of the applicant or where the applicant received driver training. 7. Exemption for zero emission class 7 vehicles Section 31301(4) of title 49, United States Code, is amended by inserting , except that, for vehicles powered primarily by means of electric battery power, the weight of the electric battery or batteries shall not count towards the gross vehicle weight rating and gross vehicle weight stated in this subparagraph, or towards any lesser gross vehicle weight rating or gross vehicle weight that may be prescribed by the Secretary by regulation after 10,001 pounds . 8. Safety data collection program for certain 6-axle vehicles Section 127 of title 23, United States Code, is amended by adding at the end the following: (x) Pilot program for safety data collection on certain 6-Axle vehicles (1) General authority Not later than 30 days after the date of enactment of this subsection, the Secretary shall establish a pilot program (referred to in this subsection as the ‘pilot program’) under which States selected by the Secretary under paragraph (2) may allow covered 6-axle vehicles to be operated on the Interstate System in the State. (2) Selection of States for the program (A) Initial application Beginning on the date that is 30 days after the date of enactment of this subsection, a State seeking to participate in the pilot program shall submit an application to the Secretary in electronic form, containing such administrative information as the Secretary may require, including a certification that the State will have the authority pursuant to State law to implement the pilot program. (B) Selection The Secretary shall select for the pilot program, on a rolling basis, States that submit a completed application under subparagraph (A). (C) Election to no longer participate If a State