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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? 


Engine Expo 2013 to debut rotary diesel engine prototype

LiquidPiston, an American developer of rotary combustion engines, will use Engine Expo 2013 at Germany’s Messe Stuttgart on June 4, 5 and 6 to present its 30kW diesel engine prototype – the X2.
Based on an optimized thermodynamic cycle, called the ‘high-efficiency hybrid cycle’, the X2 offers a theoretical thermodynamic cycle efficiency of 74%, and an expected brake efficiency of 50% at partial load.
The X2 is a single-rotor/three-chamber engine with only two primary moving parts. The design has no valves or associated components, and can run on a variety of fuels, including diesel, JP8, gasoline and natural gas.
The X2 engine prototype is demonstrating indicated efficiencies approaching a state-of-the-art level for small piston diesel engines, and has the potential to reach 3kW/kg specific power. In addition, the X engine architecture, described as the “inverse” of a Wankel rotary engine, is scalable to serve a variety of markets, from a fraction of a kW to 1,000kW. 

22 May 2013


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