Transport secretary Mark Harper has said train operators will be incentivised to make greater profits under long-awaited government reforms of Britain’s railways, as he criticised the “financially unsustainable” and “broken” network. Harper said he was committed to a major shake-up of the industry, which he…

Microsoft threw down a direct challenge to Google on Tuesday with an overhaul of its Bing search engine that incorporates artificial intelligence advances sweeping through the tech world since the launch of ChatGPT more than two months ago.Chief executive Satya Nadella claimed the changes marked…

The inventor of the silicon technology that dominates solar power predicts that combining other materials with the silicon may boost the efficiency of photovoltaic cells from around 25 per cent today to more than 40 per cent.Martin Green, an engineer and professor of the University…

Chip suppliers have warned that a European effort to impose a ban on “forever chemicals” will cause widespread disruption to already tight semiconductor supply chains. Five European countries, including Germany and the Netherlands, on Tuesday proposed that the EU phase out tens of thousands of…

© ReutersChipotle Mexican Grill is hopeful a recovery in customer transactions early this year will continue to build in coming months, following a soft end to 2022.Revenue in the fourth quarter, of $2.2bn, was up 11.2 per cent from a year ago and in line…

Carlyle Group’s fundraising slowed sharply last quarter as the absence of a new chief executive deterred some investors from committing capital to the private equity group.The Wall Street group raised just $4.9bn in the quarter, far below the sums it achieved earlier in the year…