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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 Cost of the new engine relative to gasoline baseline. Earlier post.). l/100 km) for a vehicle of that size.

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

Green Car Congress

Federal-Mogul Corporation has developed a lightweight, high-strength aluminium piston that enables engine manufacturers to increase the power density and efficiency of boosted, direct injected gasoline engines. Specific power outputs in engines are likely to increase from current levels of around 95 kW/L to 130 kW/L to coming years.

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Volvo to concentrate on hybrids and downsized engines for US

Green Car Congress

Volvo Car Corporation will rely on a powertrain strategy based on its new downsized 4-cylinder VEA (Volvo Environmental Architecture) engine platform ( earlier post ) and hybrids for the US market, said John Maloney, recently appointed President of Volvo Cars, US, in an interview at the Detroit Auto Show. Click to enlarge.

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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

Green Car Congress

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 Ford also announced that it will produce its new 1.0-liter

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FEV’s two-stage VCR system; 5-7% increase in fuel economy using variable length conrods

Green Car Congress

Use of a variable compression ratio (VCR) could be one technology approach to reducing fuel consumption in highly boosted (e.g., downsized, turbocharged) gasoline engine, as operating an engine with higher compression ratios at low load can increase fuel economy compared to operating an engine with fixed compression ratio.

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Study finds catalyzed gasoline particulate filters effective at reducing particulate and PAH emissions from GDI engines

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The found that using a GPF did not show any fuel economy and CO 2 emission penalties, while the emissions of total hydrocarbons (THC), carbon monoxide (CO), and nitrogen oxides (NOx) were generally reduced. liter all-guided direct injection SI Atkinson cycle engine; the second was equipped with a 1.5-liter Yang et al.

Gasoline 253
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New Volkswagen Polo BlueGT with cylinder deactivation offers gasoline engine fuel economy of up to 52 mpg US

Green Car Congress

This combination of efficiency and dynamic performance is enabled by the systematic interplay of ACT, downsizing (reduced engine displacement plus direct injection and charging) and BlueMotion Technology (Stop/Start system, battery regeneration). With a top speed of 210 km/h (130 mph), the car accelerates to 100 km/h in 7.9

MPG 257