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Torotrak to present extreme engine downsizing solution at Dresden supercharging conference

Green Car Congress

At the 21 st Supercharging Conference in Dresden next week, Torotrak Group will present results from engine testing that verify previous claims for V-Charge, a variable drive mechanical supercharger. V-Charge system with mechanical variable drive outperforms conventional boosting methods on downsized gasoline engine. Click to enlarge.

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Volvo introducing new downsized 4-cylinder engine range, with fuel economy improvements up to 35%; hybrid and flywheel drive systems

Green Car Congress

The Volvo Car Corporation is introducing a new, downsized engine range consisting solely of four-cylinder gasoline and diesel engines. The new powertrains are also up to 90 kg lighter than the present ones and fuel economy is improved by up to 35%. It covers the range from high-power and -torque variants to fuel-efficient derivatives.

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HyBoost concept achieving close to Prius-level CO2 emissions; aggressive downsizing with advanced boosting and micro-hybrid system

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version of its vehicle (a 2009 Ford Focus) but with fuel economy and CO 2 emissions approaching those of a Prius, according to David Boggs, Ricardo Technical Specialist, Engines, in a presentation at the recent 2011 Directions in Engine-Efficiency and Emissions Research Conference (DEER) hosted by the Department of Energy in Detroit.

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New Efficient Supercharger with Variable Drive for Downsized Gasoline Engines

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Rotrak, the new 50:50 joint-venture between traction drive specialist Torotrak plc and centrifugal supercharger company Rotrex AS, will present a highly efficient supercharger system in a paper at the 15 th Supercharging Conference in Dresden on 24 September.

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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. Introducing full hybrid technology into the B-segment presented Toyota with several unique engineering challenges. This engineering solution targets the independent powering of the air-conditioning unit for improved full hybrid powertrain fuel economy.

Prius 231
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Cummins progressing with lightweight downsized T2B2 diesel for pickup; 40% improvement in fuel economy over gasoline V8

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Resources (DOE will publish Merit Review presentations on its website.). Purdue University will work with the team on variable valve train options for warm up and HC control, all leading to the final T2B2 demonstration on a complete, street worthy, driveable vehicle. Weigert, E.,

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Study Finds Strong Synergy Between Spark Ignition Engine Downsizing and Low-to-Moderate Alcohol Blend Fuels

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A study by engineers from Mahle Powertrain Ltd and BP found strong synergy between spark ignition (SI) engine downsizing and fuel containing low-to-moderate amounts of alcohol, including ethanol and butanol. The team presented a paper on their work at the recent SAE 2009 World Congress in Detroit. Cairns et al. SAE 2009-01-0138).