(Reuters) – Companies across Europe are offering one-off bonuses and renegotiating wages as surging inflation raises food and energy bills for staff over the winter. Here are some examples by sector: AUTOS, AIRLINES AND TRAVEL: ROLLS ROYCE Trade union Unite said on Dec. 16 thousands of workers at luxury carmaker Rolls Royce Motor Cars have agreed a pay deal worth up to 17.6%, calling it the largest single pay deal in the history of the factory in southern England. HEATHROW AIRPORT Menzies made an improved pay offer to its ground handlers at Heathrow airport, on Dec. 15, details of which were n…