sentences:  However, the regulation changes following the San Marino Grand Prix resulted in development work on the car ceasing, which coincided with a run of engine failures for both cars from the Spanish Grand Prix through the middle of the season.Despite the efficient gearchanges provided by the Benetton transmission, which in Comas' words made it "fun to drive the car", the LH94 suffered from abiding understeer and poor traction.As the team's rivals made progress throughout the year, Larrousse gradually sank towards the back of the grid.