notice of intent to develo regulations to further reduce greenhouse gas emissions from on-road heavy-duty vehicles and engines available in english and french 3 pages a namesps6a transportation is one of the largest sources of ghg emissions in canada accounting for about 24 of total emissions in 2011 and heavy-duty vehicles accounted for around 7 of total ghg emissions. accordingly the government is committed to reduce ghg emissions by implementing a sector-by-sector approach and has already published ghg regulations for canadas transportation and electricity sectors. the publication in the emcanada gazette em part ii on march 13 2013 of the emheavy-duty vehicle and engine greenhouse gas emission regulations emwas an important ste toward meeting canadas commitments to reduce ghg emissions. the objective of the current regulations is to reduce ghg emissions by establishing mandatory ghg emission standards for new on-road heavy-duty vehicles and engines of the 2014 and later model years in alignment with u.s. standards. the development of common north american standards provides a level playing field that leads north american manufacturers to produce more advanced vehicles at a lower compliance cost. the minister of the environment intends to initiate a process to amend the current regulations under the emcanadian environmental protection act 1999 em cepa 1999 to further limit ghg emissions from new on-road heavy-duty vehicles and their engines for post-2018 model years in alignment with the united states. in february 2014 and further to the release of the empresidents climate action plan em in june 2013 u.s. president obama directed the environmental protection agency and the national highway traffic safety administration to develo and issue a second phase of more stringent ghg emission and fuel efficiency standards for heavy-duty vehicles of post-2018 model years. the canadian process to amend the current regulations includes consultations with representatives of provincial and territorial governments industry non-governmental organizations the public and other key stakeholders. as a first ste of this consultation process the notice of intent that was published in the emcanada gazette em part i on october 4 2014 initiated a formal comment period and interested parties are invited to submit comments on the general approach set out in the notice before november 12 2014. input received during these consultations will be considered during the development of proposed regulations that will be published in the emcanada gazette em part i. a statutory consultation period will follow publication of proposed regulations in the emcanada gazette em part i during which interested parties will have an opportunity to make written comments to inform the development of the final regulations which will be published in the emcanada gazette em part ii.