Green kitchens are increasingly popular with Britons, a new survey has revealed.Environmentally-friendly kitchens are moving up the priority lists of homeowners and buying an energy-efficient dishwasher is one of the most important kitchen appliances to purchase, the study by Which? said.Washing machines and dishwashers which can prove their green credentials took 25 per cent of the vote as the best energy-saving buys.Commenting on the findings, Paula Morris, from Sigma 3 - which carried out the poll - said not only are green kitchens seen as a way to save money but they have also become fashionable.Times have changed and the survey shows that kitchens, which lie at the heart of our homes, are becoming as much about conservation as they are about conversations, she stated.Grohe kitchen taps could be a greener option for homeowners looking to update their kitchens.The Eurosmart Grohe sink mixer kitchen tap combines technology for less water, with a maximum flow rate of 5.8 litres per minute.