Environment

With passenger vehicles leaving Logan International Airport every 20 minutes on weekdays, the cost of fuel for Knight's Airport Limousine in Shrewsbury adds up quickly. Owner Michael Hogan said the business spent $1.1 million on gasoline in 2012 and was on track to spend about the same this year.

Formally known as hydraulic fracturing, this method has led to a sharp decline in the cost of natural gas by making it easier to mine and therefore making it much more plentiful.

A Newton-based company announced Tuesday that it's been awarded a $1.2 million contract to install an air-quality monitoring system in University of Massachusetts Medical School laboratories.

Digital Federal Credit Union signed an agreement Tuesday to provide up to $100 million in financing for residential solar loan projects.

Soda company representatives fighting a strong push to expand the state's bottle redemption law argued Tuesday that adding the 5-cent deposit to additional drinks is an outdated idea from the 1970s and '80s that would put unnecessary burdens on retailers, businesses and consumers.

When the SpringHill Suites in Devens was looking to replace nearly 200 mattresses in its guestrooms late...

In a national ranking of clean energy technology leadership, Massachusetts comes in just behind California, according to a new report.

Massachusetts will be the first state to offer “green bonds” to investors, which will fund environmentally sound infrastructure projects, Treasurer Steven Grossman announced.

She's a leader in conservation at the state and national levels who served as former Gov. Mitt...

Aspen Aerogels made headlines in 2011 when it was one of a handful of Massachusetts companies to...