Among the classic cars, SUVs and supercars collectively worth tens of millions of euros driven at the petrolhead pilgrimage that is England’s Goodwood Festival of Speed recently was a 200mph carbon fibre electric car with an Irish name, developed by a start-up co-founded by Dublin-born billionaire inventor and engineer David McMurtry. It’s not clear exactly how much input that McMurtry himself has had into the design concept of the Spéirling, the Irish word for thunderstorm.  A brochure on the firm’s website, however, says: “The brainchild of one of Britain’s most successful businessmen and prolific inventors, Sir David McMurtry, the McMurtry…