LG Electronics reported record first-quarter revenue on Wednesday, with its home appliance and vehicle components businesses emerging as key growth drivers. The company posted consolidated revenue of 23.73 trillion won ($17.5 billion), up 4.3 percent from a year earlier, and operating profit of 1.67 trillion won, up 32.9 percent. Revenue marked a record high for a first quarter, while operating profit was the third-highest on record, LG said. Combined quarterly revenue from its home appliance bu