2017MY GHG and CAFE – Extension of comment period

The US Environmental Protection Agency (EPA) and the National Highway Traffic Safety Administration (NHTSA) issued a joint note in the Federal Register on 13th January 2012. See 77 FR – 2028.

This notice extends the comment period from 30th January 2012 to 13th February 2012 for the 2017MY GHG / CAFE NPRM.

See 76 FR – 74854 for original NPRM.


  • Extends the National Programme to reduce GHG emissions and improve fuel economy for 2017 – 2025 MY vehicles.
  • Introduces in 2 stages; 2017 to 2021 MY’s and 2022 to 2025 MY vehicles. There will be a mid term review of the standards before finalising the latter stage.
  • By 2025MY, it is expected that GHG emissions will have halved and CAFE fleet averages doubled to 163 g/mile and 54.5 mpg respectively since 2010.


  • EPA–HQ–OAR–2010–0799
  • FRL–9618–5
  • NHTSA–2010–0131

2 thoughts on “2017MY GHG and CAFE – Extension of comment period

  1. Pingback: 2017-2025 CAFE GHG | Vehicle Legislation

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