Green Car Congress
JANUARY 16, 2018
EPA recently released the latest edition of its annual report Light-Duty Automotive Technology, Carbon Dioxide Emissions and Fuel Economy Trends. The report is the authoritative reference for real-world fuel economy, technology trends and tailpipe carbon dioxide emissions, for new personal vehicles sold in the US every year since 1975.
Green Car Congress
MARCH 11, 2012
Fuel economy improvements for the hybrid vehicles vary considerably from 5-10% for the larger, luxury hybrid vehicles to more than 40%. Fuel economy improvements for diesels range from 15% to 30% relative to gasoline counterparts. Compared to MY 1987, MY 2010 CO 2 emissions were 11 g/mi (3%) lower, and fuel economy was 0.6
Green Car Congress
DECEMBER 18, 2014
Sivak suggests that some of the factors that likely contributed to the recent decline in the value of this measure are the decreased amount of personal transportation; decreased contribution to GDP of truck transportation; and the increased contribution to GDP of data services, information processing, and e-commerce.
Green Car Congress
NOVEMBER 16, 2013
The bottom line, he concludes in this third report, is that “ We drive fewer light-duty vehicles, we drive each of them less, and we consume less fuel.”. Fuel consumed per person. In 1984, the average amount of fuel consumed per person was 400 gallons. Vehicles per person, per licensed driver, and per household.
Green Car Congress
JANUARY 25, 2011
Ford EcoMode is a software application available on the new Ford Focus that rates driver behavior impacting fuel economy and then offers up simple hints on how to improve eco-driving skills through a scoring system. In recent internal tests, Ford found that eco-driving skills can improve fuel economy by an average of 24%.
Green Car Congress
SEPTEMBER 11, 2012
Greater fuel efficiency, along with the use of cleaner fuels, can help mitigate these impacts, although increases in the numbers of cars and the distances driven threaten to overwhelm fuel economy advances. South Korea has improved its fuel economy by one third since 2003. trillion pkm in 2008.
Green Car Congress
MAY 24, 2012
(Calibration is defined as the procedure required to optimize one or more engine performance indices—such as fuel economy, emissions, or engine power—with respect to the engine controllable variables.). Equipped with this capability, an engine should be able personalize its calibration for each driver—i.e.,
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