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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? 


Mazda2 to feature new clean diesel

Mazda has confirmed that the new Mazda2 will debut with the SkyActiv-D 1.5, a brand-new 1.5-liter clean diesel engine. The new B-segment model will be initially launched in Japan.
First unveiled in March at the Geneva International Motor Show alongside the Hazumi concept (which served as the basis for the Mazda2), the SkyActiv-D 1.5 shares much with its award-winning sibling – the SkyActiv-D 2.2 clean diesel available in the CX-5, Mazda6 and Mazda3. The SkyActiv-D 1.5 was developed in pursuit of a combination of ideal combustion and a low compression ratio.

New innovations for the small-displacement newcomer to the SkyActiv range include an expanded homogenous lean burn range, reduced mechanical resistance, and new insulation technology to counter the increased cooling loss associated with a smaller engine. The unit is, Mazda claims, exceptionally efficient and clean, delivering top-class fuel economy and emissions, and will comply with Euro 6 without needing exhaust after-treatment.
In addition to the SkyActiv-D 1.5, the Mazda2 will come equipped with the full line-up of SkyActiv Technology, including the highly efficient six-speed SkyActiv-Drive automatic and SkyActiv-MT manual transmissions. It will also have the carmaker's fuel-saving i-stop idle-stop and i-ELOOP brake energy regeneration systems. Mazda expects its new clean diesel-powered supermini to achieve the best fuel economy of any combustion-engine powered vehicle available in Japan, according to the JC08 cycle. The manufacturer also expects the SkyActiv-D 1.5 to be popular in Europe.
Features of the SkyActiv-D 1.5 will include: Combustion mode transition control technology and high dispersion solenoid injectors to suppress cooling losses; High- and low-pressure exhaust gas recirculation to extend the homogeneous lean burn range, improving fuel economy and the sense of performance; Cooling water control valves and water jacket spacers to improve combustion efficiency while reducing mechanical resistance; A variable geometry turbocharger with rotation sensor to deliver plentiful boost pressure throughout the engine's rpm range; The intercooler integrated into the intake manifold to improve acceleration response and turbocharger efficiency.

11 June 2014


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