The Boeing 737 MAX can return to Canadian airspace beginning Wednesday, Transport Canada says, concluding nearly two years of government review after the aircraft was involved in two deadly crashes that saw the planes grounded worldwide.

The federal government is directing the Canadian Transportation Agency to strengthen rules that require airlines to refund passengers for cancelled flights.

Boeing's 737 Max aircraft is a step closer to returning to Canadian skies, nearly two years after being grounded due to technical issues that resulted in two deadly crashes involving foreign airlines.

A new report calls for Ottawa to provide financial support to help the freight transportation industry to reduce greenhouse gas emissions through the purchase of zero-emission vehicles and charging stations.