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EPA Activities - Tires

EPA Activities - Tires. Lois Platte September 19, 2002. What Part of EPA Interested in Tires?.

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EPA Activities - Tires

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  1. EPA Activities - Tires Lois Platte September 19, 2002

  2. What Part of EPA Interested in Tires? • Office of Air Quality and Transportation Advanced Technology Division Climate Change Technology Team • We evaluate and promote advanced technologies and fuels that reduce greenhouse gases and fuel consumption

  3. Fuel Economy Matters • Fuel economy is the usual metric for vehicles that we use to relate to greenhouse gases • Personal vehicles account for about 40% of U.S. oil consumption and about 20% of carbon emissions

  4. Measurable Benefits • A 1% improvement in personal vehicle fuel economy saves approximately 1.3 billion gallons of gasoline in one year . . . • Public saves $2 billion in fuel costs . . . • Trade deficit reduced $0.7B . . . • CO2 reduced by 14 MMT

  5. EPA Exploring Voluntary Program • Goal: Define a way to measure and communicate to the public the fuel efficiency benefits associated with different tire choices • Wanted to develop a tire ranking system based on test results (measurable and verifiable by EPA) provided by tire manufacturers • Envision providing information on an EPA website or maybe using an Energy Star - like label

  6. Current EPA Websites • EPA 5 star rating for emissions and fuel economy by car http://www.epa.gov/autoemissions • Fuel economy and greenhouse gases http://www.fueleconomy.gov

  7. Rolling Resistance Test Procedure • SAE tests provide standardized procedures for comparing the rolling resistance of tires • Are the these procedures reflective of consumer driving conditions? • EPA is exploring the questions • Rolling resistance ranking different with transient test? • Rolling resistance ranking different when test started with cold tires?

  8. Rolling Resistance vs Fuel Economy • EPA is performing track coast down tests on various tires on the same vehicle • Provides road load characteristics for the specific vehicle and tire for lab fuel economy testing • EPA expects to perform both rolling resistance and fuel economy testing on these tires

  9. Contact Information • Lois Platte • 734 - 214 - 4306 • platte.lois@epa.gov

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