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Greener cars

The most efficient cars reviewed

Which? reviews popular green cars from top makers like Honda, Toyota and VW, pitting hybrid and diesel models against each other in a series of rigorous tests. Independent experts have also come up with a list of top eco-driving tips to help you save fuel, money - and the environment.

Toyota Prius

In our full report you can see...

    • Going green

      How greener cars can help you save money – and the environment.
    • Hybrid cars

      These combine petrol and electric power to cut fuel use. We've tested two of the most fuel-efficient.
    • Green superminis

      Smaller, lighter cars burn less fuel and emit less greenhouse gas. So which are the cleanest?

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