Greenhouse Gas Emissions By The United States - Strategy and Measures To Address Climate Change - Near-term Measures - Transportation


69% of petroleum in the USA is for transportation. 81% of that is highway transportation.

Programs to reduce greenhouse gas emissions from the transportation sector:

  • CAFE:
The Corporate Average Fuel Economy (CAFE) program requires automobile manufacturers to meet average fuel economy standards for the light-duty vehicle fleet sold in the United States . The passenger car standard has been set by statute at 11.7 kilometers per liter (kpl or km/l) (27.5 miles per gallon (mpg)), but can be amended through rulemaking. In 2003, the National Highway Traffic Safety Administration (NHTSA) raised the standard for minivans, pickup trucks, sport utility vehicles (SUVs), and other light trucks from 8.8 kpl (20.7 mpg) to 8.9 kpl (21.0 mpg) for 2005, 9.2 kpl (21.6 mpg) for 2006, and 9.4 kpl (22.2 mpg) for 2007. The action more than doubles the increase in the standard that occurred between 1986 and 2001, a period of more than 15 years. It is predicted that this activity might save approximately 412 trillion Btus (3.6 billion US gallons (14,000,000 m3)) of gasoline over the life of model year 2005–07 light-truck fleets and is projected to result in emission reductions of 42 Tg of CO 2 Eq. in 2012 for all light trucks after model year 2005.
In March 2006, NHTSA issued a new rule for light trucks covering model years 2008–11. The new rule raises required light-truck fuel economy to 24 mpg by model year 2011 and will save nearly 1,259 trillion Btus (11 billion US gallons (42,000,000 m3)) of gasoline (73 Tg of CO 2 Eq.) over the life of the affected vehicles. The new rule includes an innovative reform that varies fuel economy standards according to the size of the vehicle. The regulation has also been extended for the first time to large passenger vans and SUVs.
Under the Energy Policy Act of 2005, United States Environmental Protection Agency is responsible for promulgating regulations to ensure that gasoline sold in the United States contains a specific volume of renewable fuel. This national Renewable Fuel Standard will increase the volume of renewable fuel that is blended into gasoline, starting with calendar year 2006. The standard is intended to double the amount of renewable fuel usage by 2012.
  • FreedomCAR and Fuel Partnership and Vehicle Technologies Program:
The program works jointly with DOE's hydrogen, fuel cell, and infrastructure R&D efforts and the efforts to develop improved technology for hybrid electric vehicle, which include the hybrid electric components (such as batteries and electric motors).
The U.S. government uses six "criteria pollutants" as indicators of air quality: ozone, carbon monoxide, sulfur dioxide, nitrogen dioxides, particulate matter, and lead and does not include carbon dioxide and other greenhouse gases.
  • Clean Cities
  • Congestion Mitigation and Air Quality Improvement (CMAQ) Program.
  • Aircraft Fuel Efficiency:
Aviation yields GHG emissions that have the potential to influence global climate. In the United States, aviation makes up about 3 percent of the national GHG inventory and about 12 percent of transportation emissions. Currently, measuring and tracking fuel efficiency from aircraft operations provide the data for assessing the improvements in aircraft and engine technology, operational procedures, and the airspace transportation system that reduce aviation's contribution to CO 2 emissions. DOT has a goal to improve aviation fuel efficiency per revenue plane-mile by 1 percent per year through 2009. In the near term, new technologies to improve air traffic management will help reduce fuel burn and, thus, emissions. In the long term, new engines and aircraft will feature more efficient components and aircraft aerodynamics, enhanced engine cycles, and reduced weight, thereby improving fuel efficiency.
  • Biomass and Biorefinery Systems Program

Read more about this topic:  Greenhouse Gas Emissions By The United States, Strategy and Measures To Address Climate Change, Near-term Measures

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