sentences:  In addition to these changes, the FW16 featured an innovative rear suspension wishbone design, an improved version of the Renault Sport Formula One engine (RS6), and a fuel valve to enable the ability for mid-race refuelling (a rule reintroduced for 1994).As with the previous season, the number 0 car was driven by Damon Hill for the entire year.Only the defending champion had the right to use number 1 and reigning champion Alain Prost had left the sport.