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Supercars aren't known for their fuel efficiency, but that hasn't stopped Lamborghini from adding an engine start/stop system and cylinder deactivation technology to the 2013 Aventador LP 700-4.

First and foremost, the start/stop system deactivates the engine when the vehicle is at a stop. When the accelerator is pressed, the engine restarts in just 180 milliseconds.

On the other hand, the Cylinder Deactivation System turns off six-cylinders when the V12 engine is under low loads at speeds less than 135 km/h (84 mph). It works with the stop/start system to increase the car's fuel efficiency to 16 L/100km (14.7 mpg US / 17.6 mpg UK), while decreasing CO2 emissions to 370 g/km - improvements of seven percent and 29 g/km, respectively.

Besides the fuel savings tech, the 2013 Aventador has been equipped with a revised suspension - with stiffer springs and optimized dampers - that promises to deliver improved handling and greater ride comfort. There are also new alloy wheels and an optional carbon fiber package that applies the lightweight material to the front spoiler, air intakes, engine cover, powertrain cladding and interior.

Gallery: 2013 Lamborghini Aventador LP 700-4 unveiled with cylinder deactivation technology

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