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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? 


ZF introduces fuel-saving clutch-by-wire technology

German engineering company ZF has introduced a new clutch-by-wire system that it says will help manufacturers cut fuel consumption.

The new clutch-by-wire system replaces conventional force transfer by pedal with an electric-motor-driven actuator unit and introduces the possibility of a fuel-saving coasting function to manual transmissions for the first time.

ZF says that the continuing popularity of manual transmissions and ever-tighter emissions regulations mean that automakers will have to find further efficiencies from conventional drivetrains.

"Fuel consumption and therefore CO2 emissions drop by up to 10%,” explains Jörg Buhl, head of actuator system design/engineering at ZF Friedrichshafen AG. "This figure results solely from automatic disengagement and engine switch-off in appropriate driving situations, known as the coasting function. Our clutch-by-wire system allows vehicle manufacturers to achieve these effects in manual as well as automated transmissions."

The clutch-by-wire actuator comes with a powerful, brushless DC motor that actuates the clutch in place of a cable-controlled or hydraulic system. The integrated ZF CCU (clutch control unit) controls the system depending on the pedal parameters and the function requirements in each case. ZF says that the new system offers safety and comfort benefits such as start-up without operating the clutch pedal and an anti-stall function, as well as prolonging the life of the clutch itself.

September 29, 2015

29 September 2015


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