London: British Prime Minister Boris Johnson plans to announce next week a ban on the sale of new petrol and diesel cars from 2030, five years earlier than previously planned, the Financial Times has reported.Britain had originally planned to ban the sale of new petrol and diesel-powered cars from 2040, as part of efforts to reduce greenhouse gas emissions, and in February Johnson brought this forward to 2035.Britain’s Prime Minister Boris Johnson holds an electric vehicle charging cable during a visit to the headquarters of Octopus Energy in London last month.Credit:APCiting unidentified industry and government figures, the FT said Johnson now intended to move the date forward again to 2030 in a speech on environmental policy he is expected to give next week.The BBC reported a similar plan earlier on Saturday, without giving any sources.