The car manufacturing industry thought then that, in order to increase the share of fuel deriving from biofuels, it needed a longer period for designing and manufacturing new engines capable of coping with increased vapour pressure.
De auto-industrie dacht toen dat, om het aandeel biobrandstof te verhogen, er meer tijd nodig was om nieuwe motoren te ontwerpen en te bouwen, die kunnen omgaan met verhoogde dampdruk.