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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. gallons per 100 miles). gallons per 100 miles). 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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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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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. One of the many emerging possible technology pathways to achieve those goals is the use of a future high-octane fuel in optimized, higher-compression-ratio engines. Earlier post.)

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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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ExxonMobil forecasts that by 2040, one of every four cars on the world’s roads will be a hybrid; conventional cars (primarily gasoline-powered) will still remain most popular to 2040. Natural gas remains challenged as a fuel for most personal vehicles. Global vehicle fuel efficiency - projections. Source: ExxonMobil.

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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 l/100 km).

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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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