English to German Bus/Financial Business/Commerce (general)

For XXX [Name des Bahnunternehmens], reducing our impact on the environment means leading by example and earlier this year we raised the bar on our own environmental commitments. We are currently well on track to achieve our original target of a 35% reduction in emissions per traveller journey by 2012 and have introduced an additional, ***stretching target*** to reduce our wider business emissions by 25% by 2015.

Versteht ihr, was mit "stretching target" gemeint ist?