OK... not a building product but most of us drive and it's money back!!!...
As part of the Government of Canada’s plan to protect the environment, the ecoAUTO Rebate Program encourages Canadians to buy fuel-efficient vehicles. How? It offers rebates from $1000 to $2000, to people who, beginning March 20, 2007, buy or enter a long-term lease (12 months or more) for a fuel-efficient vehicle.
Source: http://www.ec.gc.ca/EnviroZine/english/issues/72/any_questions_e.cfm?Issues=May2007
