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GM develops integrated exhaust manifold cylinder head for 3.6L V6 direct injection engine; improvement in performance, fuel economy, emissions and noise

Green Car Congress

The reduced complexity of the design of the new integrated exhaust manifold cylinder head ( bottom ) compared to the old ( top ). GM has combined the exhaust manifold with the cylinder head into a single aluminum casting in the 2012 Camaro 3.6L direction injection V6, achieving both better fuel economy while reducing emissions.

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ORNL study quantifies fuel economy costs of common driver practices and vehicle alterations

Green Car Congress

Researchers at Oak Ridge National Laboratory (ORNL) have quantified the fuel economy effects of some common driver practices and vehicle accessories or alterations—including underinflated tires, open windows, and rooftop and hitch-mounted cargo. liter four-cylinder engine, also suffered as its fuel economy dipped 22% from 42.5

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ORNL researchers quantify the effect of increasing highway speed on fuel economy

Green Car Congress

Huff Fuels, Engines and Emissions Research Center, Oak Ridge National Laboratory. This website, jointly maintained by the US Department of Energy and the US Environmental Protection Agency (EPA), provides information such as official EPA “window label” fuel economy estimates for city, highway, and combined driving for all U.S.-legal

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New 3rd generation Audi TT diesel offers fuel economy of 56 mpg

Green Car Congress

Standard fuel consumption is 4.2 liters per 100 km (56 mpg US), which translates into CO 2 emissions of 110 g/km (177 g/mile). seconds; top speed is 250 km/h (155 mph); fuel consumption of 6.8 liters per 100 km (35 mpg US ) and CO2 emissions of 159 g per km (256 g/mile). Diesel Fuel Efficiency' quattro drive.

Audi 310
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2012 Hyundai Accent first to receive 1.6L GDI Gamma engine; 18% improvement in highway fuel economy to 40 mpg

Green Car Congress

MPG Contributions. Total fuel savings. fed by multipoint fuel injection (MPI)— and 123 lb-ft (167 N·m) of torque with a 30 mpg city and 40 mpg highway fuel economy rating. Several other systems have been improved over the outgoing model, each contributing to increased fuel efficiency.

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New 2013 Nissan Sentra delivers 34 mpg combined fuel economy, up to 40 mpg highway

Green Car Congress

liter engine and next-generation Xtronic CVT with sub-planetary gear, offers combined fuel economy of 34 mpg (6.9 The lighter and more aerodynamic new Sentra allows Nissan to use the more fuel-efficient 1.8-liter The lighter and more aerodynamic new Sentra allows Nissan to use the more fuel-efficient 1.8-liter

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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 Earlier post.).