Bloomberg United Airlines is investing in a startup that could help make larger quantities of jet fuel that’s more environmentally friendly. United announced an initial $5 million investment in Cemvita Factory Inc. and is “contemplating a larger relationship,” according to Mike Leskinen, president of the airline’s venture fund. The Houston-based startup is also backed by Occidental Petroleum Corp. Cemvita ...

Bloomberg Moscow said it would sharply cut military operations near the Ukrainian capital of Kyiv and Chernihiv after negotiators from Ukraine and Russia held discussions in Turkey aimed at de-escalating the war. A Ukrainian negotiator said the country is seeking international security guarantees for territory that doesn’t include the separatist-controlled areas of Donbas and Crimea. Russia indicated the talks could ...

  Bloomberg In recent days, Ukrainian TV stations have been broadcasting messages explaining what to do in the event of a chemical weapons attack, a horrific prospect in an already gruesome war, but one that may also be unlikely. US President Joe Biden has said there are “real concerns” Russia might resort to using the internationally banned munitions, as it ...