BusinessGreen.com Staff, BusinessGreen , Monday 2 June 2008 at 13:29:00 Chemicals giant expects sales of its photovoltaic solar technologies to more than treble over next five years Global conglomerate DuPont has predicted that sales from its solar photovoltaic division will more than treble over the next five years, rising from around $300m a year currently to over... > Read the full article ...