Entertainment Rolls-Royce plunges into the red on air travel hit By - March 11, 2021 0 422 Facebook Twitter Pinterest WhatsApp Aircraft-engine maker Rolls-Royce plunged into the red last year as the collapse in air travel took its toll on the business. Boss Warren East said 2020 had been “unprecedented”, with the company making a loss of almost £4bn, after a £583m profit…