Business Green: Having previously complained to the Advertising Standards Authority (ASA) about the green claims of some of its larger rivals, wind energy supplier Ecotricity has itself fallen foul of the watchdog over some of its marketing statements. The ASA today banned a direct mail leaflet from the company relating to a proposed wind farm development in the Cotswolds, ruling that it breached advertising rules relating to truthfulness. The promotional material stated that the company had …