U.S. House Republicans are proposing $15 billion in new funding for air traffic control reform and a new $200 fee on electric cars as part of wide-range tax reform bill under consideration.

House Transportation and Infrastructure Committee Chairman Rep. Sam Graves (R-Mo.) released a budget reconciliation proposal Tuesday that would allocate $15 billion for the modernization of air

The FAA did not agree to a recorded interview for this story, but in a written statement it said that growing the controller workforce is “a top priority for the FAA.” It also highlighted that more than 8,300 people recently qualified to take an aptitude test, which is an early step in the process of becoming a controller.