EPA and NHTSA Issue Notice of Data Availability for Heavy-Duty Vehicle Greenhouse Gas and Fuel Efficiency Standards

Dear Heavy-Duty Phase 2 Stakeholder:

Today EPA and NHTSA are jointly issuing a Notice of Data Availability (NODA) to inform the public that additional data exists in the docket for the “Heavy-Duty Phase 2” rulemaking (Greenhouse Gas Emissions and Fuel Efficiency Standards for Medium- and Heavy-Duty Engines and Vehicles - Phase 2) on which we are specifically requesting comment.  There will be a 30-day public comment period after the NODA’s publication in the Federal Register. 

For more information and instructions for submitting comment on the materials included in the NODA, see: