Times Online - The words Uxbridge and Ulez will forever be associated. It was in this corner of west London that the Tories inflicted a surprise by-election defeat on Labour. The reason for their win? Opposition to Ulez, the ultra-low emission zone that London mayor Sadiq Khan is proposing to extend to outer London and due to come into force on Tuesday, despite a flurry of protests, pamphlets and legal injunctions.
