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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 6(2):372-381 doi: 10.4271/2013-01-0535.

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Full lifecycle CO2 of new Mercedes C-Class 10% less than outgoing model

Green Car Congress

Selected result parameters for the C 180 compared with its predecessor from 2013 [unit / car]. Because of the shifts in the materials mix of the vehicles, the material resources requirements for manufacturing also changed. Where energy resources are concerned, lignite, hard coal and uranium figure principally in car production.

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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

The team presented a paper on their work at the 2013 SAE World Congress in Detroit. Given the properties of the fuel blend, improved fuel efficiencies can be generated by several approaches, including downsizing/downspeeding; increased compression ratio; reduced enrichment; and the leveraging of improved efficiency at part load.

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EPAs GHG Standards for Light-Duty Vehicles; Special Credits To Encourage PHEVs, BEVs and FCVs

Green Car Congress

mpg if all improvements came from fuel economy) and 34.1 mpg US (6.9 2012; 2013 3014 2015 2016. mpg US (EPA). Final CAFE mpg US (NHTSA). mpg US (EPA). Final CAFE mpg US (NHTSA). Final CAFE mpg US (NHTSA). mpg US (EPA). Final CAFE mpg US (NHTSA). Earlier post.). Passenger cars.

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First Drive: 2016 Hyundai Sonata PHEV and HEV

Green Car Congress

Combined fuel economy (mpg). The second-generation hybrid system has been thoroughly enhanced from its predecessor: The downsized GDI engine features an aluminum block and head, a compression ratio of 13.5:1, In charge sustaining mode, the Sonata PHEV is expected to return 40 mpg (5.88 MPG (charge sustaining). 40 93 MPGe.

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Researchers propose evaluating alt fuel efficiency based on energy rather than volume; impact of ethanol on vehicle efficiency and GHGs

Green Car Congress

Dedicated ethanol (or E85) engines have the promise to improve efficiency substantially over comparable regular gasoline engines through direct-injection, increased geometric CR, variable valve timing, exhaust gas recirculation, aggressive turbocharging, and downsizing and/or downspeeding. Xiaoyu Yan, Oliver R. Inderwildi, David A.

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Update on the ACCESS fuel efficient engine project; simulations find up to 48.9% improvement in fuel economy over baseline

Green Car Congress

At the recent 2013 SAE World Congress, engineers from Bosch and AVL presented papers on progress in the ACCESS project, describing the design, combustion development and controls development for a resulting 4-cylinder gasoline turbocharged direct injection (GTDI) engine with part-load HCCI capability. FTP75 (mpg). HWY (mpg).