New standards for medium- and heavy-duty vehicles announced

New standards for medium- and heavy-duty vehicles announced

Standards are expected to lower CO2 emissions by about 1.1 billion metric tons.

The U.S. Environmental Protection Agency (EPA) and the U.S. Department of Transportation’s National Highway Traffic Safety Administration (NHTSA) have jointly finalized standards for medium- and heavy-duty vehicles that will improve fuel efficiency and cut carbon pollution, while bolstering energy security and spurring manufacturing innovation. The final phase two standards were called for by President Obama’s Climate Action Plan, and respond to the President’s directive in early 2014 to develop new standards that run into the next decade.

When the standards are fully phased in, tractors in a tractor-trailer will achieve up to 25% lower CO2 emissions and fuel consumption than an equivalent tractor in 2018. (Photo: Ingram Publishing/Thinkstock)

The final phase two program promotes more fuel-efficient trucks through model year 2027. The final standards are expected to lower CO2 emissions by approximately 1.1 billion metric tons, save vehicle owners fuel costs of about $170 billion, and reduce oil consumption by up to two billion barrels over the lifetime of the vehicles sold under the program. Overall, the program will provide $230 billion in net benefits to society, including benefits to our climate and the public health of Americans. These benefits outweigh costs by about an 8-to-1 ratio.

“The actions we take today on climate change will help lessen the impacts on future generations,” said EPA Administrator Gina McCarthy. “This next phase of standards for heavy- and medium-duty vehicles will significantly reduce greenhouse gas emissions while driving innovation, and will ensure that the United States continues to lead the world in developing fuel-efficient technologies through the next decade and beyond.”

“Today’s ambitious but achievable announcement is a huge win for the American people, giving us cleaner air, more money saved at the pump, and real benefits for consumers across the supply chain,” said Transportation Secretary Anthony Foxx. “Today’s action preserves flexibility for manufacturers to deliver on these objectives through a range of innovations and technology pathways.”

Heavy-duty trucks are the second largest segment and collectively make up the biggest increase in the U.S. transportation sector in terms of emissions and energy use. These vehicles currently account for about 20% of GHG emissions and oil use in the U.S. transportation sector. Globally, GHG emissions from heavy-duty vehicles are growing rapidly and are expected to surpass emissions from passenger vehicles by 2030. Through the Paris climate agreement and discussions with other countries, the United States is working with other major economies to encourage progress on fuel economy standards, and reduce greenhouse gas emissions that will improve global energy and climate security by reducing our reliance on oil.

The product of four years of extensive testing and research and outreach to industry, environmental organizations, labor unions, and other stakeholders, the vehicle and engine performance standards would cover model years 2021-2027, and apply to semi-trucks, large pickup trucks and vans, and all types and sizes of buses and work trucks. When the standards are fully phased in, tractors in a tractor-trailer will achieve up to 25% lower CO2 emissions and fuel consumption than an equivalent tractor in 2018.

The agencies are also finalizing fuel-efficiency and GHG standards for trailers for the first time. The EPA trailer standards, which exclude certain categories such as mobile homes, will begin to take effect in model year 2018 for certain trailers, while NHTSA’s standards will take effect as of 2021, with credits available for voluntary participation before then. Recognizing that many trailer manufacturers are small businesses, the program includes provisions that reduce burden, such as a one-year delay in initial standards for small businesses and simplified certification requirements.

Source: EPA

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