 He also criticized the Harper government of dramatically lowering its greenhouse gas emission targets since 2007, which have dropped by 90% (from 282 million tonnes to 28 million tonnes).In the 2006 budget, the government introduced a 15.25% tax-credit on monthly passes for transit users.Harper also announced a $300 million grant to the Greater Vancouver Transportation Authority which will be used in part for preparations for the 2010 Olympic Winter Games.