Allowing motorists living on the outskirts of London to access the £110m Ulez scrappage scheme was considered by Sadiq Khan but “rejected for good reason”, the High Court will be told on Wednesday.Lawyers acting for Transport for London will urge the court to reject a claim from five Tory councils that restricting the scrappage scheme to London residents and businesses was unfair, irrational and inconsistent with the previous expansion of the zone.