Tenneco Clean Air India's IPO presents a compelling investment opportunity. The company manufactures clean-air systems and ...

The Cold Weather Diesel Reliability Act would require the EPA to authorize manufacturers to suspend engine derates and ...

Energy analysts and environmentalists say diesel generators are expensive, noisy, highly polluting and exempt from Clean Air ...

Chairman of the Senate Committee on Energy and Natural Resources, recently introduced legislation that would eliminate citizen suits under the federal Clean Air Act (CAA). The Fair Air Enforcement Act ...

The Adirondack Council has released its 44th “State of the Park” report — a comprehensive view of what has happened in terms of the Adirondacks’ health, habitability and human interaction in the past ...

Troy Lake served seven months in prison for disabling emission control devices in at least 344 heavy-duty commercial trucks.

A long-distance runner was convicted of using an off-limits area of the national park, while a Colorado mechanic had pleaded ...

In 2002, California passed the nation's first law regulating greenhouse gas emissions from vehicles. The Supreme Court's 2007 ...

Keeping a clean home has long been seen as a sign of health and order. We mop, scrub, spray, and polish, believing we are ...

The backstory: Cars and trucks represent more than a third of California’s greenhouse gas emissions. The Trump administration ...