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Jaguar details the technology behind the I-Pace

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As OEMs continue to announce plans to end production of diesel engines, Mercedes-Benz has unveiled its new diesel PHEV C-Class at the Geneva Motor Show. Will this powertrain development give TDI a new lease of life? 


Volvo launches world-first injection technology in new VEA engine family

Volvo's new engine family, VEA, will launch this autumn with a world-first i-ART technology that helps cut fuel consumption in its new diesel engines.
Featuring pressure feedback from each fuel injector instead of using a traditional single pressure sensor in the common rail, i-ART makes it possible to continuously monitor and adapt fuel injection per combustion in each of the four cylinders.
"Increasing the rail pressure to 2,500 Bar, while adding the i-ART technology, can be described as the second step in the diesel revolution,” said Derek Crabb, vice president of powertrain engineering at Volvo. “It is a breakthrough comparable to when we invented the Lambda sensor for the catalytic converter in 1976. It's another world-first for Volvo."
Crabb also added that each injector has a small computer on top, which monitors injection pressure. Using this information, the self-adapting i-ART system ensures that the ideal amount of fuel is injected during each combustion cycle.
The combination of higher injection pressure and i-ART technology gives the customer an engine with improved fuel economy, lower emissions and high performance output as well as a powerful sound character.
Volvo will also introduce a new eight-speed automatic gearbox that contributes to a refined drive and better fuel economy. Diesel common rail and petrol direct injection are standard in the upcoming modular range of diesel and petrol engines.
Several levels of turbo charging open up for the flexibility to cover the whole range from fuel-efficient derivatives through to high power and torque variants. In order to cover all customer requirements, certain engines will also gain added performance via electrification or other spearhead technology.
The engines will be built at Volvo's engine plant in Skövde, Sweden. 

10 April 2013


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