Gigaton, the London-based AI startup formerly known as Carbon Re, has raised a $26 million Series A to take on one of industry’s perhaps least glamorous but most valuable software markets: the control systems running cement, steel, glass and chemicals plants.The round was led by Plural, with participation from 2150, Semapa Next, Planet A Ventures, Cambridge Enterprise Ventures, the UCL Technology Fund and Clean Growth Fund. The raise brings Gigaton’s total funding to more than $35 million.The ne...