This legislative proposal seeks to modify the Clean Air Act by introducing a specific exemption. The bill stipulates that nonroad engines and vehicles used for agricultural purposes will no longer be subject to the emission standards outlined in Section 213 of the Clean Air Act. This change aims to relieve agricultural operations from federal emission regulations for their farm machinery. The exemption would apply broadly to all nonroad equipment utilized in farming activities, effectively removing a regulatory burden. This amendment would alter the scope of environmental regulations for the agricultural sector's operational equipment.