The Environment Ministry said fire investigators and conservation officers have found evidence to suggest the fires in the Peace region were deliberately set.
De Jong says travel expenses for cabinet ministers, including receipts, will be released on a quarterly basis.
Emergency management commissioner Duane McKay says the fires, including a blaze that raced through Fort McMurray, haven't advanced much and that's a relief.
The move follows a similar initiative announced by New Brunswick on Monday.
Shell Canada said Tuesday that it had resumed production at its Albian Sands mining operations about 95 kilometres north of Fort McMurray after a seven-day closure.
HALIFAX — Nova Scotia's energy minister says he's confident the province can meet its targets for renewable energy despite potential delays with the Muskrat Falls hydroelectric project in Labrador.