How conniving carmakers caused the diesel air pollution crisis

Cheating, dodging rules and heavy lobbying by motor manufacturers fuelled the toxic air the UK is struggling with todayConniving car makers and their lobbying might, assisted by the 2008 financial crash, were the key factors in producing the diesel-fuelled air pollution crisis the UK is struggling with today, according to key observers of the disaster.
Earlier government decisions to incentivise diesel vehicles, which produce less climate-warming carbon dioxide, sparked the problem but were made