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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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Peugeot 308 R HYbrid: the knowledge

A new plug-in hybrid 308 developed by Peugeot Sport features four-wheel drive and produces 507ps. Here are some of the technical highlights

 

Peugeot Sport?
The 308 R HYbrid is the work of the OEM’s in-house engineering and racing division. Last year, the Peugeot Sport team developed the 274ps RCZ R, and this year, has turned its hand to a performance-enhanced version of PSA’s popular compact hatchback.

What’s under the hood?
The 308 R HYbrid has three power sources, each capable of moving the vehicle independently of the others. The car has a four-cylinder 1.6-liter THP turbocharged petrol engine, and two 116ps electric motors. One motor is mounted on each axle, with the front e-motor linked to a 6-speed gearbox.



What does all this mean?
The 308 R HYbrid will sprint from 0-100km/h in 4.0 seconds, going on to a limited top speed of 249km/h. PSA herald it as “supercar thrills from a compact hatchback,” and, based on the figures, it certainly sounds quick. But it will also emit just 70g/km of CO2 – impressively low emissions for a performance vehicle.

How will those power sources be used?
Drivers can choose between four operational modes. Hot Lap uses all three power sources, delivering 507ps and maximum torque of 730Nm. Choosing Track makes 406ps and 530Nm available, largely produced by the engine and the rear electric motor. The front e-motor acts as a booster during acceleration. Selecting Road means that power tops out at 304ps and 400Nm, with the IC engine doing most of the legwork, utilizing the rear motor during accelerations. The front motor does not operate in the mode. Drivers who select ZEV will rely predominantly on the rear e-motor, with the front motor activating depending on pressure applied to the accelerator pedal.



How does it charge?
The powertrain decelerates using the electric motors, and includes regenerative braking to recharge the 3kWh lithium-ion battery. Charging can also be performed by the front motor (acting as a generator and driven by the petrol engine), or through a rapid recharging terminal.

April 20, 2015

 

20 April 2015

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