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Tula Technology hits milestone of 1M vehicles produced with Dynamic Skip Fire

Green Car Congress

The result is that the engine dynamically fires the optimal number of cylinders to maximize fuel economy while maintaining a smooth ride with commercial levels of noise and vibration. Because each combustion event is selected to allow optimal efficiency, DSF reduces fuel and CO 2 , and for diesel applications, NO x emissions.

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Tech: New Technology Reduces Diesel Emissions

Clean Fleet Report

According to dozens of automotive story headlines, the internal combustion engine, running on gasoline or diesel, is dead or dying as customers, auto companies and investors flock to electric powertrains. While 2045 may still be more than two decades away, emissions advances in internal combustion engines (ICE) are continuing.

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Shanghai GM Aims to Reduce Fuel Consumption 15%, Improve Performance 14% by 2015; New Engines, Prototype New Sail Electric Vehicle

Green Car Congress

The joint venture between GM and SAIC intends to reduce fuel consumption and CO 2 emissions by 15% while improving performance 14% by 2015. In 2011, the new Buick LaCrosse Hybrid, which will have 20% better fuel economy than the standard model, and the Chevrolet Volt electric vehicle with extended range capability will be introduced.

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Lutz Chats Volt with "Fellow Bloggers"

Plugs and Cars

And is Lutz - purveyer of Hummers and Escalades - suggesting the environmental consequences of nickel mining are so great we must wait for lithium? We're curiously disappointed with all the talk about CO2 in Washington and we have to put industry's feet to the fire and improve fuel economy. But hold on.

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GM China holds electrification workshop in Shanghai; showcases range of 4 electrified vehicles

Green Car Congress

In China, GM and its joint ventures currently offer light electrification technology with the Buick LaCrosse eAssist; full hybrid technology with the Cadillac Escalade Hybrid; extended-range electric vehicle technology with the Chevrolet Volt; and battery-electric vehicle technology with the locally produced Sail SPRINGO EV ( earlier post ).

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Details on GM’s new efficient top-end 8-speed automatic

Green Car Congress

EcoTec3 V-8 (L86) ( earlier post ), and on the Cadillac Escalade and Escalade ESV. GM’s objectives in developing the new 8-speed were improved fuel economy, performance, and NVH—while staying in the footprint of the 6L80. VFS solenoid technology and three internal speed sensors give the 8L90 its shift performance.

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Lotus and Harmon partner up to add sound to hybrids

Tony Karrer Delicious EVdriven

Lotus Engineering and Harmon International, two heavyweights in their respective industries, have teamed up to create a new technology known as Electronic Sound Synthesis (ESS). Basically, the external ESS is a system that produces artificial vehicle noise. Basically, the external ESS is a system that produces artificial vehicle noise.

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