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 7, 2013
Within his talk about the need for a US energy policy at the IHS CERAWeek 2013 energy conference in Houston, GM Chairman and CEO Dan Akerson outlined some highlights of the company’s fuel economy plan through the 2016 model year. A good rule of thumb is that a 10% reduction in curb weight will reduce fuel consumption by about 6.5%.
Green Car Congress
MARCH 5, 2013
Vehicle size, a key determinant of fuel economy, has shown a reduction in OECD countries, while the non-OECD trend is toward bigger vehicles. The analysis, an update of an earlier work using data from 2010 and 2011, found that the global average for light-duty vehicle fuel economy was 7.2 per year between 2005 and 2008.
Green Car Congress
MARCH 15, 2013
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. Through 2005, the 4-speed transmission was the dominant automatic transmission. Source: EPA. Click to enlarge.
Green Car Congress
DECEMBER 13, 2013
EPA projects advanced transmissions (6+ speeds and CVTs), gasoline direct injection (GDI) systems, and turbocharged engines will be installed on at least 15% of all MY 2013 vehicles. MY 2012 adjusted fuel economy is 23.6 l/100 km) fuel economy, which, if achieved, will again represent all-time records. mpg, or 22%.
Green Car Congress
MARCH 11, 2012
While engine size has been decreasing slightly in recent years, overall engine horsepower has continued to increase, with the notable exception of MY 2009. Nearly all engines now have multiple valves (approximately 85%) and variable valve timing (projected to approach 95% in MY 2011). and from 2.6% to 4.9%, respectively).
Green Car Congress
MARCH 6, 2013
FedEx Express alternative fuel fleet deployment as of August 2012. FedEx Express has exceeded its original goal of a 20% improvement in global vehicle fleet fuel economy by 2020, as compared to 2005, with a more than 22% cumulative improvement in fuel economy for its vehicles. Source: FedEx.
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