Complex sentence: Despite this, the leading atmo team Benetton were reasonably confident about the race and the B188's of Nannini and Boutsen allegedly went to the grid with 215 litres of fuel on board.
Split into simpler sentences: Despite this, the leading atmo team Benetton were reasonably confident about the race. The Benetton B188's of Nannini and Boutsen allegedly went to the grid with 215 litres of fuel on board.