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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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Ricardo developing medium and heavy-duty natural gas engines

UK engineering firm Ricardo has announced that it is working on two contracts to develop natural gas engines for medium and heavy-duty commercial vehicles in California.

The company says that it will partner with the Gas Technology Institute (GTI) on the projects, which are co-funded by the Southern California Gas Company, to develop units that drastically cut the levels of NOx, particulates and greenhouse gases produced by equivalent diesel technology.

On the first project, Ricardo will support development and testing of advanced natural gas ignition systems, as part of GTI’s collaboration with the California Energy Commission.

Ricardo says that its role will be to conduct testing of two different advanced ignition systems – High Frequency Discharge (HFD) and Pulsed Nano Plasma (C2) – so that their effect on engine performance can be measured and evaluated.

The second project will see Ricardo support GTI in the development of an ultra-low emission natural gas engine for on road class 4-7 medium and heavy-duty trucks, sponsored by the South Coast Air Quality Management District. These classes of diesel vehicles are currently among the top 10 sources of NOx emissions in California’s south coast air basin, and are projected to remain one of the largest, even as the legacy fleet of older and higher polluting vehicles are replaced by vehicles meeting 2010 emissions standards.

“Medium and heavy-duty trucks are an essential part of the transportation mix in California,” commented Ricardo president Clive Wotton. “But they are also significant contributors to total NOx emissions. Trucks such as these are not as amenable to the type of electrification and hybridization approaches that have been applied very successfully in the passenger car and SUV sector. However, the substitution of diesel with natural gas as a transportation fuel for these classes of vehicle offers some attractive potential benefits in reducing NOx emissions.”

February 2, 2016

2 February 2016


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