Not for the first time, a new car brand has arrived on the Irish market as a potentially good Scrabble score. The previous champ was Hyundai, whose use of the letter Y would ensure you a haul of points, even without landing on a triple-word-score square. However, newly arrived Chinese brand Xpeng may just have beaten it. It may be a shorter word, but that X pays serious Scrabble dividends. Unlike its Chinese rival BYD, which has been in business for several decades now, and which began as a battery maker before it ever started making cars, Xpeng is a…