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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 Earlier post.). l/100 km), and as such would not meet the GHG requirement of 28 mpg (8.4

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EIA: trends in downsized engine design leading to increased demand for higher-octane gasoline

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This trend of increasing demand for higher octane gasoline is likely driven by changes in fuel requirements for light-duty vehicles (LDV) in response to increasing fuel economy standards, which will have widespread implications for future gasoline markets, according to EIA analysts. of the LDV market by 2025.

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Study Assesses Product Attribute Trade-offs and Technological Progress; Meeting Proposed Obama Fuel Economy Standards Will Require Downsizing and Change in Fleet Mix

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Changes in the attributes (clockwise from upper left, weight, power, fuel economy and torque) of the Honda Accord over time as an example of fleet trends in the US. In contrast, fuel economy actually increased by 15% during that period. Knittel, 2009. Click to enlarge.

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HyBoost concept achieving close to Prius-level CO2 emissions; aggressive downsizing with advanced boosting and micro-hybrid system

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variant but with fuel economy of a strong hybrid. HyBoost achieves this by combining aggressive 50% downsizing of the engine with an electric supercharger for transient low-speed performance, and a micro-hybrid stop-start and energy recuperation systems, Boggs said. Downsizing the 2.0-liter Click to enlarge.

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

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The ICCT team—John German and Aaron Isenstadt—concluded that diesels have and will retain two significant advantages over gasoline engines: significantly better fuel economy and cargo hauling and towing ability. Meeting the 2025 standard will require an average improvement in fuel economy of about 4.1%

Diesel 186
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New lightweight aluminum piston from Federal-Mogul enables further downsizing of gasoline engines

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The Advanced Elastoval II piston enters series production later this year in a new European passenger car, where it contributes to gains in fuel economy and reductions in CO 2. Specific power outputs in engines are likely to increase from current levels of around 95 kW/L to 130 kW/L to coming years. generation pistons.

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JD Power 2012 APEAL highlights ongoing downsizing trend for new car buyers in US; increasing satisfaction with smaller vehicles

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The 2012 APEAL Study finds that 27% of new-vehicle buyers who replaced a vehicle downsized—i.e., The downsizing trend also has an impact on owner satisfaction with the fuel economy of their new vehicle. purchased a new vehicle in a smaller segment than the vehicle they replaced. Power and Associates.