Eco

For those that want to tread lightly on the earth, find the most efficient cars here.

Hybrid fuel consumption test: Toyota Prius, BMW X5 xDrive40e, Lexus ES300h, Audi A3 e-tron.

How efficient are modern hybrids?

We put four new petrol-electric offerings through a real-life fuel test.

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Porsche Mission E.

Positive charge

If the future of the car is electric then it will look good and go fast, if this year's Frankfurt motor show is any guide.

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Drive sampled Audi's latest R8 e-tron prototype across Europe.

Driven: Audi‘s new R8 e-tron

New motors and a larger battery provide Ingolstadt’s electric supercar with impressive performance and creditable zero-emission range. We get an exclusive drive of the latest prototype...

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