Last year, more than 20 per cent of the country’s exports came from energy.
The Trudeau government’s national carbon tax will increase costs in the petroleum manufacturing sector by 25 per cent.
In total, $150 billion has left Canada from 2014 to 2018.
Teck spent almost 10 years securing the necessary approvals from provincial and federal regulators.
Foreign direct investment in Canada dropped 56 per cent between 2013 and 2017.
A high price differential means lower-than-expected royalties for governments.
The Trump administration has rescinded or scaled back regulations.
Capital investment in Canada’s oil and gas sector declined by an estimated 44 per cent from 2014 to 2017.
Statistics Canada’s latest survey on investment intentions for 2018 found that private-sector investment is slated to fall again this year.