In a court settlement with the EPA, Edge Products, a manufacturer of electronic power modules for diesel engines, has agreed to pay a $500,000 fine for manufacturing and selling electronic devices that allowed owners of Chevy, GMC, Ford and Dodge/Ram diesel pickup trucks (2007 and later) to remove the programming for diesel particulate filters from their vehicles. The Ogden, Utah, company is reported to have sold more than 9,000 units from January 2009 through April 2011. This is said to have resulted in an estimated 158 tons of excess particulate matter emissions — the equivalent of 422 new long-haul semitrailers...