Focused on opposition to the expansion of london s ulez charging zone for older, polluting vehicles. the labour mayor of london, sadiq khan, is pressing ahead with that after a legal challenge brought by some conservative councils failed this week. he says it s important to clean up london s air and tackle the climate crisis. he has promised to look at new ideas to help people meet the costs. after uxbridge, rishi sunak appears to have identified car owners as a target for conservative policies, but it is not clear what effect his review of low traffic schemes will have. government sources could not say whether local councils could be forced to remove any already in place. damian grammaticas, bbc news. the prime minister will meet energy bosses this week as he prepares to