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Cummins progressing with lightweight downsized T2B2 diesel for pickup; 40% improvement in fuel economy over gasoline V8

Green Car Congress

At the US Department of Energy’s (DOE’s) Annual Merit Review meeting in Washington, DC last week, Michael Ruth from Cummins noted that the DOE program target for the project is a fuel economy (CAFE) target of 26 mpg (9.05 l/100 km), and as such would not meet the GHG requirement of 28 mpg (8.4 Earlier post.). Weigert, E.,

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Center for Automotive Research calls long-run economic risk to auto industry of mandating permanent fuel economy standards very serious; recommends periodic reviews

Green Car Congress

Plug-in hybrids dominate market penetration in 2025 under CAR scenario IV (62 mpg CAFE standard). CAR did not assume any downsizing of the vehicle sales fleet or significant reduction in performance by vehicles in any segment as a means for increasing fuel economy standards by 2025. The 47 mpg target is equivalent to a 70.9%

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ICCT working paper highlights benefits of current and emerging light-duty diesel technology; “promising pathway for compliance”

Green Car Congress

mpg in model year 2025—equating to 54.5 mpg as measured in terms of carbon dioxide emissions with air-conditioning refrigerant credits factored in. A mid-term review will be conducted this year. miles per gallon in model year 2016, and 49.1 Diesel share will expand further as incremental costs decline.

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Ford / AVL study concludes mid-level ethanol blend attractive as a long-term future fuel for use in optimized engines in US

Green Car Congress

Review of ethanol properties. In their paper, Robert Stein from AVL and James Anderson and Tim Wallington from Ford begin by reviewing properties of ethanol and gasoline blends. Downsizing/downspeeding. Earlier post.). These include: Lower energy content than that of gasoline. benefits for CO 2 relative to E10, but 2.8%

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Daimler Trucks NA SuperTruck achieves 115% freight efficiency improvement over 2009 baseline; 50.2% engine BTE

Green Car Congress

mpg (19.26 It is our expectation that we will continue to review and refine what we’ve learned and achieved over the course of the SuperTruck initiative, and use that knowledge to bolster our leadership in fuel efficiency. The Freightliner SuperTruck uses a downsized and downsped 10.7-liter DTNA SuperTruck technology elements.

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Optimized direct-injection hydrogen engine estimated to exceed 2016 CAFE fuel economy targets at Tier 2 Bin 2 emission levels

Green Car Congress

The team sees further potential for fuel economy improvement with engine downsizing. mpg US city, 51.5 mpg US highway, 38.9 mpg US combined (7.26 mpg US (5.18 Engine Performance, Efficiency, and Emissions (2011 DOE Merit Review). Source: Wallner 2011. Click to enlarge. L/100km, 4.57 L/100km and 6.05

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NRC report finds Federal analysis to set LD CAFE and GHG standards generally of high quality; some technologies and issues should be re-examined

Green Car Congress

However, the report authors found, the agencies should re-examine certain issues such as consumer behavior and the effectiveness of certain technologies in an upcoming mid-term review. to 41 mpg by 2021 and 48.7 mpg by 2025. Beginning in 2016, NHTSA and EPA will coordinate a mid-term review that must be finalized by April 2018.

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