federal_register: 99-11384
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| document_number | title | type | abstract | publication_date | pub_year | pub_month | html_url | pdf_url | agency_names | agency_ids | excerpts |
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| 99-11384 | Control of Air Pollution From New Motor Vehicles: Proposed Tier 2 Motor Vehicle Emissions Standards and Gasoline Sulfur Control Requirements | Proposed Rule | Today's document proposes a major program designed to significantly reduce the emissions from new passenger cars and light trucks, including pickup trucks, minivans, and sport-utility vehicles. These reductions would provide for cleaner air and greater public health protection, by reducing ozone and PM pollution. The proposed program is a comprehensive regulatory initiative that treats vehicles and fuels as a system, combining requirements for much cleaner vehicles with requirements for much lower levels of sulfur in gasoline. A list of major highlights of the proposed program appears at the beginning of SUPPLEMENTARY INFORMATION. For the first time, through a phase-in, we propose to apply a single average exhaust emission standard that would cover both passenger cars and all light trucks operated on any fuel. The proposed emission levels (``Tier 2 standards'') are feasible for both types of vehicles and are appropriate since the miles traveled in light trucks are increasing and the emissions from these vehicles are thus an increasing problem. This approach will build on the recent technology improvements resulting from the successful National Low-Emission Vehicles (NLEV) program and improve the performance of these vehicles through lower sulfur gasoline. To enable the vehicle technology and generate emission reductions from current vehicles we propose to significantly reduce average gasoline sulfur levels nationwide. Refiners would generally install refining equipment to remove sulfur in their refining processes, while importers would be required to market only gasoline meeting the proposed sulfur standards. The proposal outlines an averaging, banking, and trading program to provide flexibility for refiners and ease implementation. This program focuses on reducing the passenger car and light truck emissions most responsible for causing ozone and particulate matter problems. Without today's action, we project that emissions from these vehicles will represent 30-40 percent of nitrogen oxides and volatile organic compound emissions in some cities, and almost 20 percent nationwide, by the year 2020. Our proposal would bring about major reductions in annual emissions of these pollutants and also reduce the emissions of sulfur compounds coming from the sulfur in gasoline. For example, we project a reduction in oxides of nitrogen emissions of nearly 800,000 tons per year by 2007 and 1,200,000 by 2010, the time frame when many states will have to demonstrate compliance with air quality standards. Emission reductions would continue increasing for many years, reaching almost 2,200,000 tons per year in 2020. In addition, the proposed program would reduce the contribution of vehicles to other serious public health and environmental problems, including regional visibility problems, toxic air pollutants, acid rain, and nitrogen loading of estuaries. Furthermore, we project that these reductions, and their resulting environmental benefits, would come at an average cost increase of less than $100 per passenger car, less than $200 per light truck, and an increase of less than 2 cents per gallon of gasoline (or about $100 over the life of an average vehicle). | 1999-05-13 | 1999 | 5 | https://www.federalregister.gov/documents/1999/05/13/99-11384/control-of-air-pollution-from-new-motor-vehicles-proposed-tier-2-motor-vehicle-emissions-standards | https://www.govinfo.gov/content/pkg/FR-1999-05-13/pdf/99-11384.pdf | Mines Bureau; Environmental Protection Agency | 290,145 | Today's document proposes a major program designed to significantly reduce the emissions from new passenger cars and light trucks, including pickup trucks, minivans, and sport-utility vehicles. These reductions would provide for cleaner air and greater... |