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Volvo to concentrate on hybrids and downsized engines for US

Green Car Congress

The XC60 Plug-in Hybrid Concept was introduced at the Detroit Auto Show. The front wheels of the XC60 Plug-in Hybrid Concept are powered by a four-cylinder turbocharged gasoline engine from the forthcoming VEA family which produces 280 hp (209 kW) and maximum torque of 380 N·m (280 lb-ft). Click to enlarge. Earlier post.)

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Tsinghua studies on alcohol-gasoline dual fuel engines show fuel efficiency and particle number benefits

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Researchers at Tsinghua University in China are studying the effects of Dual-Fuel Spark Ignition (DFSI) combustion fueled with different alcohols and gasoline. However, engine knock with high pressure rise and pressure oscillation caused by end-gas auto-ignition is still the big obstacle for deep improvement of fuel consumption.

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DOE to award $7M to accelerate fuel and engine co-optimization technologies; Co-Optima initiative

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The US Department of Energy (DOE) will award up to $7 million in project funding to accelerate the introduction of affordable, scalable, and sustainable high-performance fuels for use in high-efficiency, low-emission engines as part of the Co-Optimization of Fuels and Engines (Co-Optima) initiative. Earlier post.).

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Ford to bring 20 new engines and transmissions to China and improve fleet fuel economy by more than 20% by 2015; producing the new 1.0L EcoBoost in China

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Ford will upgrade its entire powertrain portfolio in China by bringing 20 advanced engines and transmissions to support its planned introduction of 15 new vehicles to China—the world’s largest auto market—by 2015. Ford also announced that it will produce its new 1.0-liter

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DOE: gasoline direct injection engine technology showing very rapid adoption; 48.5% market share after 9 years

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Many auto manufacturers have used the combined benefits of GDI and turbocharging for increasing power output from downsized engines. This is evident in the rapid rise of turbo-charged engines in over the past five years, after 11 prior years of desultory growth. Source: DOE.

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Audi using supplementary port fuel injection to address particulates from gasoline direct injection

Green Car Congress

liter EA888 Gen3 engine featured in Audi’s all-road shooting brake plug-in hybrid concept unveiled at the North American International Auto Show this week ( earlier post ) features—as does its production ilk—a dual injection system that combines direct injection with indirect injection into the intake manifold.

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New Audi S models to feature new downsized 4.0L V8 with cylinder deactivation, energy recuperation and start-stop

Green Car Congress

Audi will present its new S models for the first time at the 2011 Frankfurt Auto Show (IAA). This is a downsized platform from the prior 5.2L V10 engine in the previous model, the 4.0L turbo reduces fuel consumption by as much as 25% percent. Average fuel consumption is 9.7 liters of fuel per 100 km (24.25