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EPA annual report on CO2, fuel economy and technology trends finds 2012 heading for all-time best; rapid adoption of new technologies

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Adjusted CO 2 emissions and adjusted fuel economy, MY 1975-2011. The report finds that CO 2 emissions rates and fuel economy values reflect a very favorable multi-year trend beginning in MY 2005. The fleet-wide average real world MY 2011 personal vehicle CO 2 emissions value is 398 g/mi and average fuel economy is 22.4

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South Korea to Boost Vehicle Fuel Economy Standards

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South Korea plans to raise the fuel economy of locally-made vehicles to surpass future requirements being by the US and Japan, according to the Ministry of Knowledge Economy (MKE). Korea’s fuel efficiency standards are already slated to increase 16.5% kilometers per liter of fuel (27 mpg US, 8.7

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NHTSA issues Environmental Impact Statement scoping notice for MY 2022-2025 CAFE standards; seeking comments on “preferred alternative”

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In March, EPA Administrator Scott Pruitt and Department of Transportation Secretary Elaine Chao announced that EPA intends to reconsider its final determination issued on 12 January 2017 which recommended no change to the greenhouse gas standards for light duty vehicles for model years 2022- 2025. mpg in MY 2021. Earlier post.)

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S. Korea Sets Dual Vehicle Efficiency Targets for 2015: Fuel Economy of 17 km/L (40 mpg) or 140 g CO2/km

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The South Korean Presidential Committee on Green Growth announced that by 2015, automakers will need to increase average new vehicle fuel economy to 17 km/L (40 mpg US, 5.9 Korea’s fuel efficiency standards are already slated to increase 16.5% km/L (34 mpg US, 6.9 km/L (26 mpg US, 8.9 km/L (34 mpg US, 6.9

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EPAs GHG Standards for Light-Duty Vehicles; Special Credits To Encourage PHEVs, BEVs and FCVs

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The footprint-based standard CO 2 curves for cars (left) and trucks (right). mpg if all improvements came from fuel economy) and 34.1 mpg US (6.9 L/100km) fuel economy level, respectively. Each manufacturer will have its own fleet-wide standard which reflects the vehicles it chooses it produce. mpg US (EPA).

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Study concludes that automakers tweak vehicle fuel economy to qualify for more favorable treatment; focus on car notches

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In response to federal policies to boost gas mileage, manufacturers have changed vehicle weights, improved tire-rolling resistance and added aerodynamic features to push fuel-economy rates past government-mandated thresholds. Car notches are the small trigger points in the numerical values of fuel economy (say, the difference between 22.5

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NREL Study Finds UPS First-Generation Hybrid Vans Deliver Almost 29% Greater Fuel Economy

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UPS van fuel economy comparison. UPS’ first-generation diesel hybrid delivery vans improved the on-road fuel economy by 28.9% In addition, a P100H hybrid and a P100D standard diesel were tested at NREL’s Renewable Fuels and Lubricants (ReFUEL) Research Laboratory. Source: Lammert 2009. Click to enlarge. Click to enlarge.