Households living in the shadow of Blyth’s old coal-fired power station regularly had to scrape the ash it spewed out off their cars and window sills.
The plant’s four landmark chimneys - symbolic of Britain’s polluting past - have long since been demolished and the site on the Northumberland coast is earmarked to help power a new “green” revolution.
The Daily Mirror was given an exclusive tour of what promises to be the UK’s first full-scale “gigafactory” making batteries for electric cars and other vehicles.