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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? 


Alpina launches world’s fastest diesel production car

Alpina has launched the world’s fastest diesel production car. With 350hp and 700Nm of torque, the new D3 Bi-Turbo races from 0-62mph in 4.6 seconds and tops out at 173mph, yet has combined cycle fuel economy of 53.2mpg and CO2emissions of just 139g/km.
Based on BMW’s latest generation 3-Series, the D3 Bi-Turbo is the result of a two year development program during which every aspect of the vehicle was analyzed and refined to increase performance, comfort and style. Using design and validation processes identical to those implemented by BMW, Alpina’s team of 50 development engineers worked with specialist suppliers to enhance the engine, gearbox, cooling system, body structure, wheels, tyres, aerodynamics, suspension and interior.
Compliant with Euro 6 emissions standards, the engine has two small, variable geometry turbochargers (rather than one larger unit) fed from larger intake ducts with optimized radii, reducing induction air pressure losses by 30% compared with the standard system. The result of complex fluid dynamics modeling, the bespoke induction system supports increased engine output as well as improving throttle response. A 20% larger intercooler with flow-optimized aluminum ducting increases the density of the fuel/air mixture to further enhance engine performance.
An additional radiator in the engine cooling circuit is mounted behind the bespoke front spoiler, which also directs air to the new, high-flow oil cooler. Control is provided by a dedicated thermal systems control unit that uses information from the vehicle’s databus to optimize powertrain temperatures and to reduce parasitic loading on the engine by momentarily switching off the fan when maximum acceleration is required.
The bespoke, free-flow exhaust manifold is manufactured from high carbon steel with a cobalt addition to provide very high temperature resistance. The light-weight, quad-outlet exhaust system, developed with Akrapovic, is optimized for gas flow as well as for acoustic characteristics, which are enhanced by opening a computer-controlled valve when the drive performance control is in Sport mode and when the system identifies spirited driving.
The 8-speed transmission has been developed in partnership with ZF, with around 20% of the system being bespoke. The driveshafts and differential are also reinforced and a limited slip differential is available as an option.

11 October 2013


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