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Jaguar C-X75

The Jaguar C-X75 combines an electric motor with micro gas-turbines

Even new supercar concepts have to be green these days, and the stunning Jaguar C-X75 takes an intriguing new angle, combining an electric motor with micro gas-turbines.

The C-X75 has four electric motors – one for each wheel – so making the car four-wheel drive. Each motor produces 195 bhp, which adds up to a total of 780 bhp. The car also has an incredible total torque output of 1600 Nm (1180 lb ft).

The C-X75 also has two micro gas-turbines, which generate electricity to extend the range – to 560 miles.

Although the car has a top speed of 205 mph, and a 0-62 mph acceleration time of just 3.4 seconds, thanks to the car’s plug-in charge capability it can claim to emit just 28 g/km CO2. It also has a range of 68 miles on battery power alone.

The C-X75 has been designed to celebrate 75 years of Jaguar. Because there is no internal combustion engine to package the car around, the designers had more freedom in terms of the car’s shape and size. The result is stunning.

A six-hour domestic plug-in charge enables the car to travel 68 miles on battery power alone. If the lithium-ion batteries run out of charge, they can be recharged by the lightweight micro gas-turbines.

Developed in partnership with Bladon Jets , the miniaturised turbine blade – the first viable axial-flow micro-turbine – increases the compression and efficiency of micro gas-turbines to the point at which they can be viewed as a realistic power source. Each of the micro gas-turbines weighs just 35 kg and produces 70 kW of power at a constant 80,000 rpm.

The energy created by the turbines and stored in the batteries is transmitted to the road using four independent electric motors. Using individual motors has benefits in terms of weight-saving and distribution, packaging and efficiency. Each motor weighs just 50kg but produces 145kW (195bhp) of power and an astonishing combined total torque output of 1600Nm (1180lb ft).

The Jaguar C-X75 has an aluminium chassis and body panels. This saves weight, and aluminium is one of the most easily recyclable metals available.

Jaguar has increased the design’s aerodynamic efficiency by opening the front grille and brake cooling vents only when necessary. At the rear corners of the car, vertical control surfaces automatically engage at higher speeds to direct airflow for increased stability and efficiency.

The carbon-fibre rear diffuser guides airflow under the car and creates downforce. It includes an active aerofoil, which is lowered automatically as speed increases. Vanes in the exhaust ports can alter the directional flow of the gases to assist with aerodynamics.

Green cars just became even more interesting!