Times: Cars promoted as eco-friendly were criticised yesterday for pumping out up to 56 per cent more carbon dioxide than the manufacturers claim. Three models, including the Honda Civic hybrid, performed so badly in tests that their environmental claims were dismissed as a gimmick. A further five vehicles, including Volkswagen’s Polo BlueMotion, hailed as Britain’s greenest car when it was claimed that it emitted less than 100 grams of CO2 per km (g/km), failed to match the claims made by their …