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EPA and DOE release annual Fuel Economy Guide with 2014 models

Green Car Congress

The US Environmental Protection Agency (EPA) and the Department of Energy (DOE) are releasing the 2014 Fuel Economy Guide, providing consumers with a resource to identify and choose the most fuel efficient and low greenhouse gas emitting vehicles that meet their needs.

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Dodge equips 2014 Durango full-size SUV with 8-speed for 9% boost in fuel economy

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Chrysler’s Dodge brand introduced the 2014 Dodge Durango full-size SUV at the 2013 New York International Auto Show. The three-row SUV is equipped with an eight-speed automatic transmission that improves fuel economy up to 9% (for the V-6 model) as well as a range of other enhancements.

Durango 225
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EPA Trends on EVs and PHEVs; beginning of a “measurable and meaningful impact” on new vehicle fuel economy and emissions

Green Car Congress

With alternative fuel vehicles now approaching 1% of new vehicle production, however, they are in fact beginning to have a “ measurable and meaningful impact ” on overall new vehicle fuel economy and CO 2 emissions. In the analysis, EPA uses overall fuel economy in mpg equivalent (mpge) and tailpipe CO 2 emission values.

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ORNL study quantifies fuel economy costs of common driver practices and vehicle alterations

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Researchers at Oak Ridge National Laboratory (ORNL) have quantified the fuel economy effects of some common driver practices and vehicle accessories or alterations—including underinflated tires, open windows, and rooftop and hitch-mounted cargo. They presented their results in a paper at SAE 2014 World Congress in Detroit.

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Nissan introduces 2014 Pathfinder Hybrid SUV with FF hybrid system; 24% improvement in fuel economy over conventional

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2014 Pathfinder Hybrid. Nissan introduced the 2014 Pathfinder Hybrid at the New York International Auto Show. Fuel economy is estimated at 26 mpg (9.0 Estimated city fuel economy is 25 mpg (9.4 gallon fuel tank, the same as non-hybrid models, driving range is estimated at more than 526 miles (847 km).

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Cummins announces fuel economy improvements for heavy-duty lineup

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All ratings can be uniquely tailored with electronic features such as Load-Based Speed Control (LBSC), Gear-Down Protection (GDP) and Vehicle Acceleration Management (VAM) to maximize fuel economy and reduce overall operating costs. Earlier post.)

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CMU study highlights lower-cost design path to fuel economy compliance: acceleration trade-off

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A team at Carnegie Mellon University has found that engineering design modifications that compromise other performance attributes—specifically acceleration—offer a pathway to reduce the cost to automakers of compliance with fuel economy standards. —Whitefoot et al. 1-6) years after the regulations are announced.