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Mercedes-Benz unveils its revamped G-Class

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The all-new G-Class makes its public debut at the Detroit auto show in G550 form. Completely redeveloped and fitted with a 4.0-liter V8 biturbo gasoline engine offering 427ps and 450 lb-ft of torque at 2,000rpm to 4,750rpm, despite near-identical looks to its predecessor plenty has changed for the Mercedes-Benz SUV.


Ford’s F150 pickup gets its first diesel motor

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Developed by the powertrain team behind the 6.7-liter Power Stroke engine for super duty trucks, the all-new 3.0-liter V6 Power Stroke unit promises 250ps, 440 lb-ft of torque, and an anticipated 5175kg of towing capacity.


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Federal-Mogul reveals advanced piston ring coating

Federal-Mogul has developed a new piston ring coating that supports vehicle manufacturers’ efforts to make gasoline engines more fuel-efficient. The company’s patented CarboGlide coating delivers a direct improvement in fuel economy and CO2 emissions by reducing ring friction by up to 20% as compared to nitride or other commonly used coatings. CarboGlide’s high wear resistance will withstand an engine’s full operational life and Federal-Mogul says that includes the latest generation of high-output gasoline engines with turbocharging or direct injection. The CarboGlide coating also protects the cylinder surface from scuffing and scoring, especially under the most critical lubrication conditions, because of its high chemical and physical stability.

“CarboGlide provides engine manufacturers and vehicle owners with a strong advantage over other coated rings in the market by delivering an extremely low friction coefficient, superior wear resistance and long life,” said Rainer Jueckstock, senior vice president, Federal-Mogul. “Our CarboGlide-coated rings provide engine manufacturers with an immediate, cost-effective fuel economy improvement that is easy to implement. The friction-reducing, fuel-economy improvement benefits contribute also to reduce the carbon footprint of gasoline-powered vehicles.”

CarboGlide’s superior coating properties are achieved due to a multi-layer microstructure and a special coating composition that contains carbon, deposited in diamond-like form, as well as hydrogen and tungsten. The unique structure can be produced for a coating thickness of 10 microns, more than three times that of the industry’s latest state-of-the-art DLC coating. A specialized advanced process based on the combination of Physical Vapour Deposition and Plasma-Assisted Chemical Vapor Deposition, specifically developed for piston ring application, is used in applying CarboGlide. The coating’s multi-layer architecture, together with the company’s surface machining and finishing expertise, ensure the integrity of the coating structure, optimal adhesion of the coating and high coating stability on both steel and cast iron rings.

CarboGlide is Federal-Mogul’s third and most advanced generation of the company’s DLC coated ring technology. The coating was developed in Burscheid, Germany, at one of the company’s 18 globally-networked technical centers.

Several leading vehicle manufacturers will launch engines using Federal-Mogul’s CarboGlide-coated piston rings beginning this year.

 

18 August 2011


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