By ALAN MILLAR
Regular
When interpreting events as they happen, there is a risk of indulging in hyperbole. Of asserting that what may turn out to be merely a passing phase is a momentous change. Of reading too much into a moment. But 27 February 2020 could truly be a historic day. It was the morning that National Express Group — the highest valued of the big five PLC operators — declared it had bought its last diesel urban bus and is on a quest to kick diesels off its extensive UK coach network.