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JD Power 2012 APEAL highlights ongoing downsizing trend for new car buyers in US; increasing satisfaction with smaller vehicles

Green Car Congress

The 2012 APEAL Study finds that 27% of new-vehicle buyers who replaced a vehicle downsized—i.e., The downsizing trend also has an impact on owner satisfaction with the fuel economy of their new vehicle. The Audi A8 achieves the highest APEAL Study score of any model in the industry in 2012.

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Simulation study finds “Millerizing” the Scuderi split-cycle engine could enable 50% engine downsizing with retention of power and torque, along with reduced fuel consumption

Green Car Congress

Simulation study finds Miller version of Scuderi engine can deliver twice the BMEP as naturally aspirated version, theoretically enabling 50% downsizing while maintaining performance. Applying the Miller cycle to the Scuderi engine (right) entails downsizing of the compression cylinder. Source: Scuderi. Click to enlarge.

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BorgWarner suggests Valve-Event Modulated Boost system can offer 6-17% fuel economy benefit over already downsized and turbocharged engines

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Christopher Thomas, BorgWarner VP, Advanced Engineering, Engine Group and VP, Advanced Engineering, Drivetrain Group presented the basic concepts of VEMB and current BorgWarner test results at the recent SAE 2012 High Efficiency IC Engine Symposium. improvement in fuel economy on an E-class vehicle (e.g., Source: Borgwarner.

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Volvo to concentrate on hybrids and downsized engines for US

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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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Toyotas Yaris hybrid concept anticipates B-segment hybrid strategy with first downsizing of HSD; Prius +

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This marks Toyota’s first downsizing of its HSD technology. This engineering solution targets the independent powering of the air-conditioning unit for improved full hybrid powertrain fuel economy. Prius+ will be on sale in the first half of 2012.

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

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This is a downsized platform from the prior 5.2L turbo reduces fuel consumption by as much as 25% percent. Average fuel consumption is 9.7 The Audi S7 uses the same engine as the S6 and S6 Avant, with fuel consumption of 9.7 liters of fuel per 100 km (24.25 Fuel consumption averages 10.2 liters (24.0

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

Green Car Congress

In part-load operation, the indirect injection supplements direct gasoline injection to improve fuel economy and to reduce the output of particulates from the engine. GDI technology provides fuel efficiency benefits from charge air cooling, more facile turbocharging, and the downsizing that these permit. Earlier post.).

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