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CPT developing 48-volt electric supercharger for micro-mild hybrids

Green Car Congress

At 48 volts, a VTES electric supercharger will transform 7kW of battery power into a highly boosted charge of air for downsized gasoline and diesel engines. There will be no torque deficit or other tradeoffs from essential engine downsizing and higher gearing, which now dominates the development of internal combustion engines.

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Mazdas new SKYACTIV gasoline and diesel engines are steps on the road to its Ideal Engine; focus on compression ratio

Green Car Congress

From a powertrain frame of reference, Mazda is planning a building block strategy—i.e., Extreme compression ratio rather than downsizing. Although downsizing—i.e., Raising the compression ratio in a gasoline engine increases its thermal efficiency, thus improving fuel economy.

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SAE technical experts: fuel cell technology has advanced significantly, FC vehicle production has begun, further cost reductions & infrastructure development required

Green Car Congress

Takashi Moriya, Senior Chief Engineer at Honda R&D, re-iterated Honda’s strategic focus on electrification as the main pathway toward reducing greenhouse gases, and shift to renewable sources of energy. Cost, productivity, efficiency and fuel economy now offer the highest focus for technology investment, he said. Earlier post ).

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Update on DOE Co-Optima project to co-optimize fuels & engines; goal of 30% per vehicle reduction in petroleum

Green Car Congress

Essential to this is the recognition that current fuels available in the marketplace constrain engine efficiency and limit the potential fuel economy and greenhouse gas improvements available across the light, medium, and heavy duty transportation fleet. We’ve been accused of that; people still say we are, but we’re not.

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Hyundai showcasing new downsized turbo engines and 7-speed dual-clutch transmission; i40 48V Hybrid, i30 CNG

Green Car Congress

The unit features a six-hole GDI injector, pressured to a higher-than-average 200 bar, securing a clean combustion and improving fuel economy and emissions to fulfill Euro 6c emission standards, three years ahead of their introduction in 2017. The relocated and re-engineered turbo means throttle response time and low-end torque have improved.

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Can General Motors bounce back? The Green Piece

Green Cars News

Its dive into the financial doldrums was short-lived however, and on July 10, 2009, the company bounced back with the formation of a new, downsized GM (see article ). The company was created from the old GM’s strongest operations and was reborn with a clear focus on building better and more environmentally friendly vehicles.

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Using the PHEV (Plug-In Hybrid Electric Vehicle) to Transition Society Seamlessly and Profitably From Fossil Fuel to 100% Renewable Energy

Green Car Congress

Frank has spent more than 30 years in breakthrough vehicle development, during which he received two world records for vehicle fuel economy, designed nine generations of PHEVs, and was a four-time winner of US DOE Advanced Vehicle Design competitions. Appendix E: PHEV and the Electrical Grid—fast charge v. slow charge.

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