The Ports of Los Angeles and Long Beach have released a draft of a proposed 2017 Clean Air Action Plan Update, outlining a new set of aggressive near-term...

Germany’s federal minister of transport is investigating whether Daimler's exhaust-gas treatment systems of certain diesel-powered cars and vans have been...

The mayors of Los Angeles and Long Beach, California, are aiming for zero emissions at the ports or Los Angeles and Long Beach by 2035 as part of their...

Despite the fall-off in interest in natural gas fuel with the return of cheaper diesel prices, Sacramento's Matheson Trucking remains committed to...

A new European Union procedure for determining emissions of the greenhouse gas CO2 from new trucks has won praise from a key industry group for its expected...

Alan Schaeffer of the Diesel Technology Forum also cited data showing that in emissions-sensitive southern California, more particulates come from brake...

The California Air Resources Board (CARB) voted to maintain its greenhouse gas emission standards and zero-emission vehicle program for passenger cars and...

Cost estimates for meeting MPG and pollution standards are overstated by as much as 40 percent, according to a study by the International Council on Clean...

Scott Pruitt, Donald Trump's choice to lead the EPA, questioned emissions regs during a Jan. 18 hearing and said he disagrees with giving California power...

The health and climate costs of gasoline-powered vehicles operating in 10 states added $18.42 to the overall impact of a 16-gallon tank of gasoline in 2015,...