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CARB Workshop Previews Upcoming Heavy-Duty Diesel Changes

USA - February 1 2019 On January 23, 2019, the California Air Resources Board (CARB) held a public workshop to discuss the agency’s ongoing regulatory emissions overhaul...

Reed J. McCalib.


EPA Announces “Cleaner Trucks Initiative” to Reduce NOx Emissions

USA - November 16 2018 On November 13, the United States Environmental Protection Agency (EPA) announced its “Cleaner Trucks Initiative” (CTI) to further decrease oxides of...


California Continues to Drive Toward Lower NOx Standards for Heavy-Duty Diesels

USA - December 20 2017 On January 12, 2018, the California Air Resources Board (CARB) will conduct a public workshop regarding CARB staff’s potential amendments to...

James D. Friedland.


Are New On-Highway, Heavy-Duty Diesel NOx Standards Down the Road?

USA - May 11 2017 At the tail-end of the Obama administration, the United States Environmental Protection Agency (EPA) formally responded to petitions for rulemaking...

James D. Friedland.


Key developments in hydraulic fracturing regulation through mid-2011: lifting of New York moratorium, Texas disclosure and proposed federal regulations

USA - August 3 2011 The spring and summer of 2011 have witnessed substantial regulatory movement across multiple states in favor of greater natural gas development through the use of hydraulic fracturing most notably in New York State, which is preparing to release its moratorium on more than 80 percent of its portion of the Marcellus Shale to development in 2012....

Matthew H. Ahrens, Joel H. Mack, Davon M. Collins, Charles Anthony.