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Dual engine for new SUV

TWIN ENGINE
The new Volvo XC90 T8 version offers the features of a plug-in electric car, hybrid car and high-performance car

TWIN ENGINE The new Volvo XC90 T8 version offers the features of a plug-in electric car, hybrid car and high-performance car

25th July 2014

  

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Swedish vehicle manufacturer Volvo Car Group’s new XC90 sports utility vehicle (SUV) will offer an unrivalled combination of power and efficiency with a dual engine, when the XC90 is revealed later this year.

The all-wheel drive seven-seater XC90 offers drivers up to 290 kW of power with carbon dioxide (CO2) emissions of around 60 g/km according to the New European Driving Cycle.

The new Volvo XC90 is the first SUV to offer 290 kW with such a low emissions rate.

Volvo Car Group research and development senior VP Peter Mertens says there are no compromises when driving the new Volvo XC90. “In the past, you could either have power or low CO2 emissions, but with the new Volvo XC90, you can have both.”

The new XC90 range offers a selection of Drive-E engine options, all of which provide a combination of performance and fuel efficiency. The main distinguishing feature of the Drive-E engine range is that all variants are four-cylinder engines – focus is on output and efficiency rather than number of cylinders.

“With our new Drive-E powertrains, we have created intelligent petrol and diesel engines with power curves that give exciting driveability at the same time as delivering world-class fuel economy,” he says.

“Even with seven people seated in the new XC90, the CO2 emissions per person and kilometres are low,” adds Mertens.

The CO2 performance of the new XC90 will reinforce Volvo Car Group’s leadership when it comes to bringing environmentally- sound technologies to market. According to figures monitored by the European Car Industry Association, Volvo Car Group delivered an industry-leading reduction in average fleet emissions between 2012 and 2013 – an overall reduction of 8.4%.

Volvo made it possible for a four-cylinder engine to provide all the driving performance associated with a larger engine, while delivering record-breaking CO2 emissions figures. Volvo’s Drive-E engines systematically replace all other powertrains in the Volvo range.

Twin Engine Technology
Volvo Cars will also debut its Twin Engine badge with the new Volvo XC90.

Twin Engine refers to combination powertrains in the Volvo stable.

In the new Volvo XC90, the flagship Twin Engine will carry the badge of T8 and be a plug-in electric car, hybrid car and high-performance car rolled into one.

With Volvo Twin Engine, normal driving is conducted in the default hybrid mode. This uses a 2 ∙, four-cylinder supercharged and turbocharged Drive-E petrol engine that powers the front wheels, while a 60 kW electric motor drives the rear wheels.

The supercharger provides boost for the bottom-end of the power range – at low engine revolutions per minute (rpm) – to give the engine a large, naturally-aspirated feel, while the turbocharger starts boosting when the engine reaches higher rpms.

The electric motor on the rear wheels provides instant torque.

At the push of a button, however, the driver can switch to quiet and emission-free city driving on only electric power. The pure electric range is about 40 km, and the driver can immediately revert back to the combined capacity of the petrol engine and electric motor whenever necessary.

New Chassis Provides Flexibility
Volvo Car’s new scalable product architecture (SPA) chassis technology enables more flexibility inside the car and, while other carmakers have struggled to combine the bulk of a battery-pack with a luxurious and spacious interior, Volvo has managed to overcome this stumbling block.

“Since our new SPA technology is designed from the start to accommodate electrification technol- ogies, the Twin Engine installation does not compromise lug- gage or passenger space,” says Mertens.

Full Range of Other Engine Options
The new XC90 range also includes the D5 twin-turbo diesel engine with about 165 kW of power and 470 Nm of torque, as well as best-in-class fuel consumption of about 6 ∙/100 km.

Also included is Volvo Car’s D4 turbo-diesel engine that delivers about 140 kW of power and 400 Nm of torque, as well as fuel consumption of about 5 ∙/100 km.

Edited by Megan van Wyngaardt
Creamer Media Contributing Editor Online

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