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Audi cars: has a new emissions scandal been uncovered?

US-market Audi cars with automatic transmissions may have a defeat device which obscures how much CO2 they really produce.

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Is the Hyundai Ioniq hybrid better than the Prius?

The Hyundai Ioniq has got the Toyota Prius in its sensibly styled sights. The Ioniq is smart looking and cheaper - but is it the better car?

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Nissan and Jaguar recall cars including Qashqai and Juke

Jaguar recalls its F-Pace over a potential fire risk, and Nissan recalls select models of the Qashqai, Juke, X-Trail and Pulsar.

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Mitsubishi cheats fuel economy tests

Mitsubishi admits falsifying test data to get better fuel economy figures.

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One year left to buy a hybrid free of car tax

From April 2017 new car tax rules will see hybrid and low-emission car owners charged hundreds more while owners of gas-guzzling cars will pay thousands less.

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New car reviews online: BMW 6 Series, Mercedes-Benz GLC and more

The latest car reviews from Which?, including the gas-guzzling BMW 650i M Sport, the efficient new Prius and three Mercedes SUVs.

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Which? reviews the latest Ford Grand C-Max

The latest version of the seven-seat people carrier, the Ford Grand C-Max, has been through our comprehensive lab tests. Is it a Best Buy?

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New car reviews online: Jaguar XE, Toyota Auris, Prius+ and more

Our latest car reviews have something for everyone: from superminis like the facelifted Kia Rio and Peugeot 208, to the hotly anticipated Jaguar XE.

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Car emissions: is nobody clean?

It’s not just diesel cars that break emissions limits: petrol and hybrid cars are doing it, too. Which? reveals the worst offenders from our own tests.

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VW, Audi, Seat and Skoda owners: check your VIN

We show how VW, Seat, Skoda and Audi diesel owners can check to see if their car has the emission-cheating defeat device inside.

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