~Driving on CNG from Plymouth to NYC over Four Days~ PLYMOUTH, MI, May 21, 2012 /PRNewswire/ - Westport Innovations Inc.

CANAL WINCHESTER, Ohio, May 16, 2012 /PRNewswire/ -- Waste Management today announced it has started construction on its new compressed natural gas (CNG) fueling facility to convert its fleet

XI'AN, China, May 15, 2011 /PRNewswire-Asia/ -- China Natural Gas, Inc.

HOUSTON, May 11, 2012 /PRNewswire/ -- Waste Management (NYSE:WM) today announced plans to expand its fleet of natural gas-powered

ORRVILLE, Ohio, April 20, 2012 /PRNewswire/ -- Smith Dairy Transportation employees, local dignitaries, Ohio State Fire Marshal employees and other interested parties gathered in Orrville