Green Car Congress

JULY 25, 2009

Exposure to ozone at levels currently deemed safe by the NAAQS clean air standards can have a significant and negative effect on lung function, according to researchers at the University of California, Davis. The previous primary and secondary standards were identical 8-hour standards, set at 0.08 Earlier post.).

Ozone 186

Ozone Standards Clean Cleaning 186

Green Car Congress

JANUARY 27, 2015

The first study to conduct a comprehensive evaluation of lifetime exposure to new technology diesel exhaust (NTDE)—i.e., exhaust from heavy-duty diesel engines meeting EPA 2007 and later emissions requirements—has found no evidence of carcinogenic lung tumors. Earlier post.)

Exhaust 150

Exhaust Diesel Engine 2007 150

Green Car Congress

DECEMBER 4, 2013

2010 engines emissions reduction relative to 2010, 2007, and 2004 US emission standards. earlier post ), found that emissions of NO 2 and other nitrogen oxides—which can have direct health effects and contribute to the formation of smog—were approximately 61% below the 2010 EPA standard and 99% lower than in 2004 engines.

Diesel 296

Diesel Emissions 2004 San Antonio 296

Green Car Congress

SEPTEMBER 26, 2009

Diesel exhaust contains a variety of harmful gases and more than 40 other known cancer-causing substances. NO x helps create ground-level ozone, or smog. BNSF has been operating four liquefied natural gas yard locomotives in downtown Los Angeles since the mid-1990s.

Diesel 170

Diesel California Emissions 2007 170

Green Car Congress

AUGUST 30, 2009

During the early 1900s, a distillery was a standard piece of farm equipment. 80.28, “applicable standard” means: 9.0 80.27, “high ozone season” means the period from June 1 to September 15 of any calendar year and “regulatory control period” means the period from May 1 to September 15 of any calendar year. 40 CFR § 80.27

Transportation 317

Transportation Fuel Renewable Gasoline-Electric 317