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

Green Car Congress

The company originally described the system in a 2010 SAE paper (2010-01-1222) and at the 2010 World Congress. to 2 ratio points and maintain the same knock limit for an additional 3-4% improvement in fuel economy. or so, according to Thomas, resulting in the total possible benefits ranging from about 6% to 17%.

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U Toronto team assess the climate trade-off between reduced CO2 and increased Black Carbon from GDI engines

Green Car Congress

The upside of gasoline direct injection (GDI) engines is widely seen as being improved fuel economy coupled with an increase in specific power (especially with turbocharging), enabling significant downsizing. They assumed a baseline fuel economy of 21.4 Click to enlarge. mpg (10.99

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Eaton Highlights Range of New Products to Reduce Fuel Consumption and Emissions

Green Car Congress

The diversified manufacturer also said that in addition to boosting engine performance, its superchargers can provide up to a 5% fuel savings and reduce emissions compared to competing technologies. 136 kg], which translates into improved fuel economy and enhanced performance and safety for the end consumer.

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GM to double models with 40 mpg highway or better by 2017; ongoing manufacturing efficiency improvements

Green Car Congress

GM’s electrified vehicles today include the extended-range electric Chevrolet Volt, Spark EV and Buick LaCrosse, Regal, Chevrolet Malibu and Impala with eAssist. since 2010, making progress toward its 20 percent reduction commitment by 2020. MWh/vehicle in 2010. Note that the 2010 base year has been adjusted from 0.88

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

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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. Select Engines. New-generation 1.5 dCi engines.

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Former Commerce and Transportation Secretary Norman Mineta urges technology neutral policies in reaching proposed CAFE standards

Green Car Congress

Current fuel economy policy clearly demonstrates this fact. —“The Case for Technology Neutral Public Policy in Fuel Economy Debate”. The quickest and most cost-effective way to achieve our energy usage goals is through faster adoption of fuel-efficient downsized gasoline and diesel engines.

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EVO Electric to Demonstrate Plug-in Hybrid Black Cab at Bridgestone Eco-Rally 2010; DuoDrive System with Axial Flux Motor

Green Car Congress

In recent tests, the DuoDrive taxi demonstrated a 56% improvement in fuel economy compared to a standard London Taxi (TX2), and simulations predict that an improvement of 100% is possible with further optimization. EVO Electric is actively working on a number of range extender engines that could fulfill this purpose.

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