Energy

Researchers at Worcester Polytechnic Institute have created a new way to convert food waste into renewable fuel.

Ameresco, the Framingham-based renewable energy company, said Wednesday that it completed a new solar project on a former Illinois brownfield site. 

The average price of a gallon of gas in Massachusetts continues to drop, hitting $4.06, down 10 cents from last week, according to travel association AAA Northeast.

Metrolube Realty, LLC, registered to Bob Ladas, president CEO of Marlborough’s Metrolube Enterprises Inc., purchased two Valvoline Instant Oil Change locations in Worcester for $3.2 million.

The average price of a gallon of regular unleaded gas in Massachusetts continued to fall this week, down 11 cents from last week, to $4.16 a gallon, according to travel association AAA Northeast.

The Fitchburg Redevelopment Authority replaced 300 light fixtures with LEDs at its business center, Putnam Place in Fitchburg, which along with other changes will save 113,000 kilowatt hours annually.

The average price of a gallon of unleaded gasoline in Massachusetts dropped another 10 cents, following an 11-cent drop last week.

Gov. Charlie Baker was able to overcome his agita and on Thursday signed the Legislature's compromise offshore wind and climate policy bill, but he aired "deep misgivings" with some parts of the law and the way the House and Senate addressed his suggestions.

Dandelion Energy in Marlborough has expanded access to its geothermal heating and cooling system across most of Massachusetts.

Continuing a downward trend, the average price of a gallon of gasoline in Massachusetts fell to $4.35 per gallon, a drop of 11 cents.