HOUSTON, May 29, 2012 /PRNewswire/ -- The International Fuel Quality

HOUSTON, May 1, 2012 /PRNewswire/ -- Hart Energy announced today it has acquired Deepwater International, a digital

HOUSTON, May 1, 2012 /PRNewswire/ -- Hart Energy's newly released study, U.S.

HOUSTON, Feb. 21, 2012 /PRNewswire/ -- The Hart Energy Board of Directors today announced the death of the company's Executive Vice President and Board member, Mr. Frederick L.

Kevin W. Brown, senior vice president, refining, with LyondellBasell, will serve as opening keynote speaker at Hart Energy's World Refining & FUEL Conference