|  |   |  |   |  |   |  |  The new phase 3 Greenhouse Gas Emissions wants 25%-40% of new heavy-duty trucks to be zero-emission by 2032 and even more medium-duty vehicles. Trucking industry groups are calling the rules unrealistic and too narrowly focused on batteries and hydrogen.  |  
  |  
  |  
  |  |   |  
  |  |  
  |  
  |  
  |  
  |  |   |  
  |  
  |    |     |  
  |