Sadiq Khan: government must pay drivers £3,500 to scrap diesel cars | UK news | The Guardian. Diesel needs to be banned immediately, it is the cause of hundreds of thousands untimely deaths by fine dust, toxic fumes. It is forbidden in the USA for at least 20 years, and the air quality because of it, is by far superior. It is so unfair to the public health and to the environment. diesel cars are supported and encouraged to buy still, it is a slap in the face to humanity, as so many people die from carbon dioxide and other related diesel fumes…..