BP Alternative Energy - Biofuels (Hanover Trade Fair) The stand area was small. Yet the CO2 reduction message was substantial. Our solution was to build up, to bring CO2 down. Target Neutral was BP's own nomenclature, to which we added the slogans and design. This was used with dramatic effect overhead and underfoot, within the carpet itself. In adding a 'Timeline' wall we were able to chart progress and set targets with simplicity and impact.