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

Green Car Congress

In 2013, the Cummins-led team demonstrated a Tier 2 Bin 5 version of the engine on the dyno, and then on a vehicle, while development of the Tier 2 Bin 2 engine started. The HC/NO x release temperature in a cold start catalyst is high enough that the released HC/NO x can be further converted by the downstream catalytic components.

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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

converted all vehicle efficiency measurements into vehicle energy efficiency (VEE, km/MJ) based on fuel energy densities reported in each study. This is because the ethanol component may affect the conversion efficiency of the gasoline component in a blend, that is, make an engine more or less efficient in its use of the gasoline component.

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Viable exhaust-driven on-board ethanol reforming for improvements in fuel economy and emissions

Green Car Congress

Only the shoebox unit—consisting of transverse shell-and-tube design in which banks of parallel, vertical catalyst tubes extended through a transverse stack of exhaust-side heat-exchange plates—exhibited sustained high conversion with low and stable fuel-side pressure throughout a 500 h test period. —Sall et al.

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Mercedes AMG PETRONAS F1 team unveils 2014 challenger and PU106A Hybrid Power Unit; new fuel and lubricants

Green Car Congress

The fundamental challenge is to convert as much of the chemical energy in the fuel, into mechanical energy, as efficiently as possible at the prescribed flow rate. Conversion efficiency is now the key. liter, normally-aspirated V8 engine used from 2006 to 2013 is replaced by a turbo 1.6-liter The F1 W05. Click to enlarge.

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How Carmakers Are Responding to the Plug-In Hybrid Opportunity

Tony Karrer Delicious EVdriven

Fisker $80,000 Karma series luxury 50-mile range series PHEV, S Sunset convertible version.Partnering with Quantum Technologies. Several after-market companies have done PHEV conversions of the Ford Escape hybrid and one has done a retrofit of the F-150 pickup -- see Where PHEVs Are and ICE-Conversions.) No announced plans.

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