Obama stop the XL pipeline constructions because Warren Buffet,the riches man in the world is the owner of the train that monopolized the delivery of oil from Canada. Buffet is a major donors for Democratic party and close friend of Obama. The pipeline will employed initially 28K jobs.On day one of office,Trump signed executive order, in preparation for the upcoming visit from Prime Minister of Canada this month. This pipeline will produce 500K barrel a day a big reduction of oil dependency from Saudi-OPEC. Due to abundance supply of crude oil, energy cost will be lower, this will destroy the Solar panel manufacturing business in the US which controlled by one political party.Trump campaign promise,he want USA, who has the biggest oil reserved in the world, to be energy independent and oil exporter, meaning more oil drilling concessions to come.