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Volt receives EPA ratings and label: 93 mpg-e all-electric, 37 mpg gas-only, 60 mpg-e combined

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The US Environmental Protection Agency (EPA) has issued its fuel economy ratings and accompanying fuel economy label for the 2011 Chevrolet Volt extended-range electric vehicle. The new fuel economy label for the 2011 Volt. The two modes are combined into an illustrative 60 mpg-e combined rating for the vehicle.

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Hyundai Unveils Its First Production Gasoline Direct Injection Engine

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Theta II GDI, its first Gasoline Direct Injection engine before an audience of engineers attending the Ninth Annual Hyundai-Kia International Powertrain Conference in Korea. GDI application will subsequently be expanded across the gasoline engine family and applied to other Hyundai models. Theta II GDI. Click to enlarge.

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GFEI report concludes 50% improvement in average fuel economy of entire global light duty fleet by 2050 is achievable; importance of the regulatory and fiscal environments

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US NRC panel’s summary estimates of the potential reduction in petroleum consumption by 2035 for vehicle powertrain types assuming that the entire potential of these technologies is used to improve fuel economy rather than performance. This is equivalent to increasing fuel economy from about 30 to about 60 MPG, from 12.5

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ExxonMobil projects 25% energy demand increase between 2014-2040, 50% decline in carbon intensity; hybrids to be 40% of new car sales

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At the same time, energy efficiency gains and increased use of renewable energy sources and lower carbon fuels, such as natural gas, are expected to help reduce by half the carbon intensity of the global economy. On-road fuel economy varies significantly by region. Average fuel economy will rise from 25 to about 45 miles per gallon.

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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

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Ford engineers also presented two other papers evaluating the effects of low to mid-level ethanol blends in spark-ignited engines at the conference. The study by the Ford / AVL team provides an overview of the effects of such a future ethanol-gasoline blend in such an engine. (As and of gasoline, about 14.6 Earlier post.)

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Hyundai launches all-new Sonata Hybrid with GDI engine; plug-in hybrid variant coming next year

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The new Sonata Hybrid features an upgraded powertrain incorporating a new hybrid system with a new gasoline direct injection engine that delivers fuel economy of 18.2 km/l (43 mpg US or 5.5 liter GDI (gasoline direct injection) hybrid engine mated to a 38 kW electric motor (up 3 kW—8.6%—from 42 mpg US / 5.7

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Progress on ATLAS: Cummins’ Tier 2 Bin 2 light duty diesel project

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Cummins is one year into a four year program (ATLAS, Advanced Technology Light Automotive Systems) to develop, in partnership with the US Department of Energy (DOE), a new light-duty diesel truck engine that will meet Tier 2 Bin 2 (SULEV) emission requirements while achieving at least a 40% fuel economy improvement (26.1 mpg US vs. 18.6

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