End of the line for diesel fumes at London St Pancras as new trains arrive

Rail and fossil fuels once helped to turn King’s Cross and St Pancras into a seamy, smoke-choked area of London. Now, in the two grandly redeveloped stations with their swanky plazas, even a dropped paper ticket would look out of place.One last corner of St Pancras station is polluted by the fug of diesel trains – but not for much longer. East Midlands Railway, which runs services to cities including Derby and Sheffield, will fire up its diesel units in London for the final time by the end of 2026.It is a milestone moment for St Pancras – albeit one that has arrived later and with more difficulty than many had hoped

Feeling the bite: is Greggs on a roll or is its expansion overbaked?

An enormous carpet of pastry snakes its way around the factory. Four huge metal urns of meat filling are waiting to be added. Workers in hairnets and overalls buzz about, checking a production line that holds 4.5 tonnes of pastry at any one time.This is food production on an industrial scale, designed to satisfy the UK’s seemingly insatiable appetite for sausage rolls, vegan bites and other baked treats

What happened after Tesla opened a diner in Los Angeles?

Less than six months since it opened, Elon Musk’s Tesla Diner has the feel of a ghost town. Gone is the Optimus robot serving popcorn, gone are the carnivore-diet-inspired “Epic Bacon” strips, gone are the hours-long, hundred-person lines wrapped around the block. Even the restaurant’s all-star chef, Eric Greenspan, is gone. The Hollywood burger-and-fries shop seems like a shell of the bustling eatery it was when it opened in late July.On a balmy Friday afternoon in December, the parking lot for Tesla car charging was, at best, half full

‘Just an unbelievable amount of pollution’: how big a threat is AI to the climate?

Defenders say AI can do good to fight the climate crisis. But spiralling energy and water costs leave experts worriedThe Guardian’s journalism is independent. We will earn a commission if you buy something through an affiliate link. Learn more.During a golden sunset in Memphis in May, Sharon Wilson pointed a thermal imaging camera at Elon Musk’s flagship datacentre to reveal a planetary threat her eyes could not

Australia v England: fifth Ashes Test, day one – live

No rain (yet) but conditions are so gloomy the umpires have deemed it unsafe for further play. Bugger! The players leave the field and the huge Sydney crowd groans. Are the SCG floodlights not enough? Clearly not.45th over: England 211-3 (Root 72, Brook 78) Finally, a bowling change by Steve Smith as Michael Neser replaces Scott Boland. The burly Queenslander has 1-33 from his nine overs so far and steams in under fading light in Sydney

‘I’m here to win’: champion Luke Littler has ominous words for his rivals

Luke Littler has warned his rivals that he intends to be around for a very long time – and win plenty more PDC world titles – after adding a second crown by defeating the Dutchman Gian van Veen in a one-sided demolition.And the 18-year-old didn’t entirely rule out chasing down Phil Taylor’s record of 16 world titles after emphatically proving himself as the best darts player on the planet again by winning 7-1.“Obviously it’s so far away,” he said. “I’ve still got 14 to go. Another 15-16 years I’d say