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New Efficient Supercharger with Variable Drive for Downsized Gasoline Engines

Green Car Congress

The Rotrak solution overcomes this constraint by connecting the supercharger to the engine by a compact variable drive, allowing efficient operation across the whole engine speed range. The need to reduce CO 2 emissions is leading to downsized engines, heavily boosted by turbo- or supercharging. million today to 12 million by 2016.

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Lotus to Introduce Range Extender Engine

Green Car Congress

liter, 3-cylinder Range Extender engine with integrated electrical generator. Lotus Engineering will unveil its Range Extender engine at the 63 rd Frankfurt International Motor Show next week. Key features of the Range Extender engine include: Monoblock. The Lotus 1.2-liter, Click to enlarge. The Lotus three-cylinder 1.2

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Viable exhaust-driven on-board ethanol reforming for improvements in fuel economy and emissions

Green Car Congress

A team at Monsanto and colleagues at AVL Powertrain have successfully designed and demonstrated an onboard low-temperature ethanol reformer that can be driven by exhaust heat. Many papers have described high-temperature steam reforming of ethanol at around 600 °C but.this temperature is too high to be driven by engine exhaust.

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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 VEMB system uses a concentric camshaft, blow-down manifold and scavenge manifold to separate the exhaust event into two phases: high-energy blow-down to the turbo without pumping losses, and high-hydrocarbon scavenge to the EGR system. or so, according to Thomas, resulting in the total possible benefits ranging from about 6% to 17%.

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New 3-cylinder, 1.0-liter Ford EcoBoost engine to debut in European Focus range

Green Car Congress

liter, 3-cylinder EcoBoost engine ( earlier post ) will be three models in the European product range: first the Focus, followed by C-MAX and the all-new Ford B-MAX. liter engine is the latest addition to Ford’s global family of EcoBoost engines, which currently range in capacity from 1.6 liters globally.

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Valeo acquires electric supercharger business from Controlled Power

Green Car Congress

With this move, Valeo becomes the first automotive supplier to offer its customers a range of electric superchargers. Unlike exhaust-driven turbochargers, electric superchargers are driven by an electric motor. Highly efficient at low engine revolutions, electric superchargers make it possible to downsize engines.

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Simulation study suggests ORC waste heat recovery system could deliver potential 7% improvement in fuel consumption in a PHEV on highway

Green Car Congress

Internal combustion engines have been significantly improving in the past decade, after the adoption of technologies such as Gasoline Direct Injection, mild electrification, downsizing and turbocharging. The OSU EcoCAR prototype vehicle features an extended-range electric architecture with a downsized 1.8L

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