2007 Clean Engine Ozone 
Green Car Congress
JANUARY 7, 2020
The eventual CTI rulemaking will establish new, more stringent emission standards for NO x and other pollutants for highway heavy-duty engines. This rulemaking will also offer opportunities to streamline and improve certification procedures to reduce costs for engine manufacturers.
Green Car Congress
NOVEMBER 14, 2018
The US Environmental Protection Agency (EPA) has launched the Cleaner Trucks Initiative (CTI) to further decrease NO x emissions from on-highway heavy-duty trucks and engines. From 2007 to 2017, US NO x emissions dropped by more than 40%. EPA last revised NO x standards for on-highway heavy-duty trucks and engines in January 2001.
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.
Green Car Congress
JANUARY 27, 2015
exhaust from heavy-duty diesel engines meeting EPA 2007 and later emissions requirements—has found no evidence of carcinogenic lung tumors. The engine was run on a unique and strenuous operating cycle that represented more closely the behavior of modern engines than operating cycles used in older long-term studies of TDE.
Green Car Congress
MARCH 18, 2010
million program that Governor Schwarzenegger approved in 2007 to spur technological innovation in the transportation sector. Cars and trucks account for over half of the emissions that contribute to ozone and particulate matter as well as about 30% of the total greenhouse gas emissions in California.
Green Car Congress
APRIL 17, 2009
After a thorough scientific review ordered in 2007 by the US Supreme Court, the US Environmental Protection Agency (EPA) issued a proposal with two distinct findings regarding greenhouse gases. The issuance of an endangerment finding enables the regulation of greenhouse gases under the Clean Air Act. Proposed Endangerment Finding.
Green Car Congress
SEPTEMBER 26, 2009
Increased leadership from US EPA and the railroads, along with funding to address California’s needs, would signal a clean-air commitment that must be made to protect those who live and work near rail yards. NO x helps create ground-level ozone, or smog. ARB Chairman Mary Nichols.
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