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EPA Mandates Cleaner Diesel, Cleaner Truck Engines
New rules issued on Thursday by the U.S. Environmental Protection Agency requires oil refineries to begin making ultra-low-sulfur diesel (ULSD), "a fuel with 97...
New Technology Turns Garbage Into Gold
(Reprint of a GNN story from 2003; in preparation for a followup article soon)
IMAGINE. . . Imagine a machine that can turn almost...
Blue Butterfly Back From the Brink
The Smithsonian published a feature article in 2005 called Back From the Brink that asserted: "Not every endangered species is doomed. Thanks to tough laws,...