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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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In light of Fisker's solid-state battery breakthrough and claims of a one minute charge time, will this electric vehicle technology development kick-start mass BEV uptake? 

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Juke engine targets TSI

Nissan’s all-new subcompact crossover, the Juke, will be launched with a next-generation 1.6-liter gasoline engine later this year.

Developed in Japan and taking around 32 months to create, the all-new powertrain is Nissan’s latest take on the IC engine downsizing trend. “We looked at Volkswagen’s TSI technology – which is now becoming very popular and I think we’re developed an engine here that’s very competitive to the TSI,” commented Hiromichi Matsui, chief vehicle engineer, Nissan.

Official fuel economy and emission output figures are yet to be disclosed, but Nissan has confirmed that the direct injection turbocharged engine will be good for 190PS and 240Nm of torque.

As well as featuring a turbocharger, intercooler, direct injection and variable valve timing, the 16-valve unit makes use of low friction techniques, such as the adoption of diamond-like carbon coatings for the valve lifters and mirror finish camshafts. Nissan says the result is a powertrain that delivers the performance levels of a normally aspirated 2.5-liter engine but with the fuel economy of a smaller engine.

Speaking at the media launch of the Juke in Paris, engineer Matsui said that although only one turbocharger had been used on Nissan’s latest 1.6-liter heart, the Japanese car maker was looking at options to create derivatives that could feature further turbochargers and even supercharger technology. ETi has found out from another Nissan source that engineers in Japan are working hard to develop a new 1.2-liter supercharged engine that will first be installed in the Micra replacement, which is due to be unveiled at Geneva.

The 1.6-liter engine will be launched in North America and Japan following its European debut in the Juke later this year. As well as driving the subcompact crossover, the direct injection turbocharged powertrain will also be made available in other Nissan and Renault vehicles.
 

12 February 2010


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