Green Car Congress
DECEMBER 13, 2022
Since MY 2004, average fuel economy in the US has increased by 32%, or 6.1 Since MY 2004, CO 2 emissions have decreased 25%, or by 114 g/mi. These vehicles can use a larger battery to recapture braking energy and provide power when necessary, allowing for a smaller, more efficiently operated engine. SOurce: EPA.
Green Car Congress
MARCH 3, 2020
In model year 2018, the average estimated real-world CO2 emission rate for all new vehicles fell by 4 grams per mile (g/mi) to 353 g/mi, the lowest level measured since 1975, when EPA data collection began. Since MY 2004, CO 2 emissions have decreased 23%, or 108 g/mi, and fuel economy has increased 30%, or 5.8 miles per gallon, 0.8%
Green Car Congress
DECEMBER 13, 2013
Based on the final Trends data through MY 2012, CO 2 emissions have decreased by 85 g/mi, or 18%, since MY 2004, and fuel economy has increased by 4.3 Electric (Battery) Engines Fuel Efficiency Hybrids Vehicle Systems' Preliminary MY 2013 adjusted values are 370 g/mi CO 2 emissions and 24.0 mpg, or 22%. Click to enlarge.
Green Car Congress
OCTOBER 10, 2014
mpg increase over the previous year and an increase of nearly 5 mpg since 2004. Based on longer term trends since MY 2004, truck SUVs have the largest cumulative percentage fuel economy improvement of 27%, followed by both cars and car SUVs at 23%. Chrysler-Fiat had the highest CO2 emissions and lowest fuel economy, followed by GM.
Green Car Congress
APRIL 2, 2009
For example, a 2007 EPRI study they cite concluded that the US PHEV average fraction of vehicle miles traveled using battery electricity would be about 20%. On the other hand, improved battery technology and the advent of electric vehicles could alter that.
Green Car Congress
OCTOBER 12, 2009
The original TEG development was a stand-alone underfloor solution developed since 2004 also as part of a project promoted by the US Department of Energy. At Innovations Day 2009, BMW Group engineers presented the thermoelectric generator as an integrated component in the exhaust gas recirculation cooler.
Green Cars News
JUNE 29, 2009
mpg and CO2 emissions of only 89 g/km – a 14% improvement over the highly successful current model, itself the winner of many awards since its UK launch in 2004. Counter-intuitively, the new Prius uses a new four-cylinder, 1.8-litre litre petrol engine in place of the 1.5-litre litre petrol engine in place of the 1.5-litre
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