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EIA: trends in downsized engine design leading to increased demand for higher-octane gasoline

Green Car Congress

Automakers are using a number of approaches and technologies to address the requirements of the Corporate Average Fuel Economy (CAFE) regulations, including, but not limited to: weight reduction; conventional engine and transmission efficiency improvements; better aerodynamics; and further development and sale of hybrids and electric vehicles.

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Google and IEEE launch $1M challenge for downsized inverters

Green Car Congress

inverter used in the Fiat 500e has a volume of about 5 liters, while the motor inverter used in the 2010 Prius drivetrain has a volume of about 5.4L (according to a DOE deconstruction.) The peak power density of the 2010 Prius motor inverter is 11.1 Evaluation Of The 2010 Toyota Prius Hybrid Synergy Drive System (ORNL, 2011).

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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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Renault 2010 Environment Workshop, Part 1: Combustion Engine Technology and Product Plans

Green Car Congress

Renault held a “2010 Environment Workshop” last week to showcase its progress across its range of vehicles’ full lifecycle through the Renault eco² program. The downsizing process involved shortening the piston stroke by reducing the size of the crank pin and conrod assembly. Variable swirl technology. Stop&Start technology.

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

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Making its world debut at the 2011 Geneva Motor Show, the Yaris HSD concept anticipates Toyota’s intention to bring its full hybrid Hybrid Synergy Drive (HSD) technology to the B-segment, the biggest volume segment in Europe. This marks Toyota’s first downsizing of its HSD technology. Earlier post.).

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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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The company originally described the system in a 2010 SAE paper (2010-01-1222) and at the 2010 World Congress. 2010) Valve-Event Modulated Boost System, SAE Technical Paper 2010-01-1222 doi: 10.4271/2010-01-1222. —Christopher Thomas. Virtual Cylinder Deactivation (VCD). and Sisson, J. and Becker, M.,

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Toyota announces aggressive environmental targets through 2050; cutting new vehicle CO2 by 90% compared to 2010

Green Car Congress

The challenge comprises six individual challenges across three areas: Ever-better cars, quantified as reducing global average new-vehicle CO 2 emissions by 90% by 2050 compared to Toyota’s 2010 global average; ever-better manufacturing (zero CO 2 emissions at all plants by 2050); and enriching the lives of communities. Achieving sales of 1.5

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