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Mercedes-Benz unveils its revamped G-Class


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


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? 


VW embraces downsizing

Having collected an impressive three International Engine of the Year Awards for the innovative TSI Twincharger engine, Dr Rüdiger Szengel, head of Volkswagen petrol engine development, admitted that the industry has no other option but to continue with downsizing for many years to come.

“The trend is clear," said Szengel. "For example, our 2-liter engine can replace a larger V6. Moving up, a supercharged V6 can then replace a normally aspirated V8.”

Above: VW will continue with engine downsizing, but the German OEM has no plans to develop a TSI unit below 1-liter in displacement size

But Szengel did admit there might be a limit on just how small the engines will become. “Right now, for us with our current car classes, it makes no sense to go below 1-liter.”Speaking exclusively to Engine Technology International at the Messe Stuttgart – the home of Engine Expo – Szengel confirmed that VW has big plans for the award-winning TSI Twincharger unit, which not only won its category class at the 2009 Awards, but also scooped best Green Engine and the overall International Engine of the Year 2009, ending four years of BMW dominance. “The engines with TSI technology that we are building in the cars of today are well equipped for the future. The combination of reduced displacement, direct-injection and intelligent engine boosting enables top dynamic performance while keeping emissions and fuel consumption low.

“Winning awards in three key categories is a great compliment to our development team. TSI engines are genuine trendsetters. So far, we have built nearly 2.3 million units worldwide.

“We are really, very happy to win the overall International Engine of the Year Award,” he added, “but I am especially proud that the TSI won the Green Engine accolade as well. I looked into the history of the Awards, and since 1999 only hybrid powertrains have won the green/eco category. This year, we changed that.”

VW is set to launch the TSI Twincharger in China later this year, and there are rumours that the German OEM is seriously considering introducing the engine in the USA. In addition to new markets, VW extended its line-up of TSI engine technology by adding more cost-effective engines with single-stage turbocharging. The latest example is the new 1.2-liter TSI engine with 105bhp in the new Polo, which will be available later this year.

25 June 2009


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