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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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New 2.2-liter diesel from Fiat Chrysler

The Fiat Chrysler group has introduced its new 2.2-liter Multijet II diesel engine that will debut in the Jeep Cherokee.

 

The 2.2 is intended to complement, not replace, the company’s existing 2-liter Multijet diesel engine and in the Cherokee will be available only with a 9-speed automatic gearbox and four-wheel drive.

The four-cylinder Euro 6-compliant engine comes in two states of tune, producing 188ps and 203ps, both versions with 440Nm of peak torque. The new Multijet takes the Cherokee to 100km/h two seconds quicker than the existing 2-liter, but with the same level of fuel consumption.

The powertrain features an optimized exhaust gas treatment system, consisting of a close couple DPF with NOx storage converter positioned in the engine compartment operating together with the EGR control system.

Fiat Chrysler Automobiles (FCA) says that the 16-valve twin camshaft aluminum head has been designed to withstand the increased working pressure of the common rail with injection rate shaping, which operates at 2,000 bar. The design of the pistons, connecting rods and crankshaft is also optimized to limit weight.

The shape of the combustion chamber and the reduced compression ratio guarantee low NOx polluting emissions and high performance, while the brand-new solenoid injectors atomize the fuel very finely, says the company, providing marked advantages in terms of quiet operation and fuel efficiency.

Further efficiency gains come from a novel variable geometry turbocharger integrated in the exhaust manifold, reducing engine weight and improving exhaust gas treatment system functionality. Other factors include the smart alternator and variable displacement oil pump and stop-start functionality as standard.

The new engine is being built in Fiat Chrysler’s Pratola Serra plant, near Avellino, Italy, and is also expected to feature in the powertrain line-up of Alfa Romeo’s new Giulia, which is to be officially revealed at the International Motor Show (IAA 2015) this September in Frankfurt, Germany.

August 13, 2015

 

13 August 2015

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