The construction industry will benefit from an estimated $9 million of savings annually.
The site will help contractors comply with environmental regulations.
Proponents say the measure would boost the state's solar energy market if passed.
One company booked almost as much solar capacity in one quarter as the entire industry installed in all of 2008.
Less sunny regions have higher costs to construct net-zero homes.
Winter is the best time, as families tend to spend more time inside where radon can be trapped.
New standards and rules can affect how sourcing for wood products are done.
The six-year-old restriction came because of the area's flooding concerns.
The U.S. Department of Labor is cracking down on firms misclassifying employees as independent contractors.
Some permit-seekers in this town in Maine said they had camped out in front of the building for two days.