Alaska Gov. Mike Dunleavy said Tuesday he is ordering state lawmakers into a special session to force a new decision on his top priority: property tax breaks for the company proposing to build a massive pipeline system to ship natural gas from the North Slope to tidewater.

Dunleavy outlined his plan during a news conference at the Alaska Sustainable Energy Conference in Anchorage. 

The special session, to start 10 a.m. Thursday morning, “will go…