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Inside the SRT Demon

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Tim Kuniskis, Head of Passenger Cars – Dodge, talks through some of the mechanical changes behind the fastest accelerating, and most-powerful muscle car ever; the 2017 Dodge Challenger SRT Demon.


Lucid Air prototype testing

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With 1,000hp and up to 400 miles driving range, the Lucid Air is one of the most exciting EC developments of the year so far. Watch here the prototype being tested earlier this year.

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News

Acura announces hybrid versions of its MDX SUV

Acura's first-ever hybrid SUV, the 2017 MDX Sport Hybrid, has been unveiled in detail by the OEM.The MDX Sport Hybrid claims more than 30hp more and a 45% higher EPA city fuel economy rating in comparison to the conventionally-powered MDX SH-AWD. The new SUV applies Acura's three-motor 'Sport Hybrid Super Handling-All Wheel Drive' (SH-AWD) system, as first offered in the RLX Sport Hybrid and more recently, the NSX supercar.

The MDX Sport Hybrid powertrain boasts a total system output of 321hp and 289lb ft of torque, making it the most powerful Acura production SUV ever built. EPA fuel economy ratings of 26/ 27/ 27mpg (city/ highway/ combined) are up 8/ 1/ 6mpg over the non-hybrid variant.

A 3.0-liter, 24-valve, SOHC V-6 power plant with i-VTEC valvetrain and selectable idle-stop capability provides the majority of the car's drive, with a peak output of 257hp at 6,300rpm and 218lb ft of torque at 5,000rpm. This is supplemented by three electric motors – a front motor built into the 7DCT, and a rear Twin Motor Unit (TMU). The hybrid powertrain also features several advancements as part of the on-going development of Acura hybrid technology, including improvements in cooling and packaging of the IPU and PCU, as well as increased hybrid battery power density.

The electric SH-AWD system operates independently of the IC engine, as the two rear-mounted electric motors dynamically apportion both positive and negative torque directly to the rear wheels. This system provides for dynamic, immediate and always-on torque vectoring capabilities while eliminating the weight and energy losses associated with a conventional driveshaft and differential mechanism.

16 March 2017


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