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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. Alternatively, in the second study, gasoline–alcohol DFSI is based on PFI of gasoline and DI of alcohols.). —Liu et al.

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DOE to Award $187M to 9 Projects to Improve Vehicle Efficiency for Heavy-Duty Trucks and Passenger Vehicles

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The remaining six projects totaling more than $71 million will support efforts to increase the fuel economy for passenger vehicle engines and powertrain systems. The goal is to develop engine technologies that will improve the fuel economy of passenger vehicles by 25-40% by 2015 using an engine-only approach. 38,831,115. 39,559,868.

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Downsized 5.5L V8 Biturbo in S 63 AMG Delivers 25% Fuel Savings Compared to Predecessor; Stop-Start is Standard

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In addition to its twin turbos, the new eight-cylinder unit—known internally as the M 157—features gasoline direct injection with spray-guided combustion and twin turbochargers. The improved fuel economy is also in large measure due to the standard stop-start function. AMG has developed a 5.5-liter The new AMG 5.5-liter

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Toyota introducing new powertrain units based on TNGA; transmissions, engine, hybrid system, 4WD

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liter hybrid system; and new 4WD systems—one for gasoline-engined cars, one for hybrids—based on the Toyota New Global Architecture (TNGA). Shift responsiveness has improved through downsizing of the pulley and reduction of inertia by 40%. liter Direct-injection, Inline 4-cylinder Gasoline Engine.

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Full lifecycle CO2 of new Mercedes C-Class 10% less than outgoing model

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Over the entire lifecycle of the C 180, the lifecycle analysis yields a primary energy consumption of 521 gigajoules (corresponding to the energy content of around 16,000 liters of gasoline); an environmental input of approx. Electric water pump, which makes on-demand operation possible (C 180 and C 200). The new C-Class.

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Lexus NX compact utility arrives in North America

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liter Atkinson-cycle gasoline engine, which brings the brand’s number of hybrid offerings to six—the most among luxury brands. liter turbocharged gasoline engine has a combination water-cooled cylinder head, integrated exhaust manifold and twin-scroll turbocharger. liter four-cylinder engine and the NX 300h hybrid with 2.5-liter

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Audis A1 to Launch With Four Engine Options; Energy Recuperation and Stop-Start Standard

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Audi will initially offer the A1 with four engines; the two TFSI gasoline engines and the two TDI diesels cover a power range from 63 kW (86 hp) to 90 kW (122 hp). This downsizing concept coupled with energy recuperation and stop-start technologies from the Audi modular efficiency platform give them fuel consumption ranging from 3.8

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