For britains adam peaty at the World Championships in budapest. Coming up in sportsday on bbc news, Novak Djokovic says he is ending his season early after suffering an Elbow Problem which forced him to retire from wimbledon. Good evening and welcome to the bbc news at six. No one will be able to buy a new diesel or petrol car after 2040 under Government Plans to tackle Air Pollution. The clean air strategy published today follows a Ruling Byjudges that ministers have to do more to deal with Air Pollution. The government has also announced a £255 million fund to help councils tackle emissions, including the right to create Charging Zones for the dirtiest vehicles. But the plans have been criticised by environmental campaigners for not going far enough. Our science editor David Shukman looks at the proposals. On the worst days, the pollution hangs like a mist over our cities. The gases and particles cause asthma and heart trouble. They may lead to dementia, and they shorten lives, as m