Diesel Emissions Exhaust West Virginia 
Green Car Congress
AUGUST 5, 2019
According to a study commissioned by the Washington, DC-based Propane Education & Research Council (PERC), NO x emissions measured from propane autogas school buses were substantially lower than those measured from diesel school buses. For the stop-and-go route, NO x emissions were 34 times higher for the diesel school bus.
Green Car Congress
JANUARY 15, 2012
The transient results illustrate the gradual formation of the nucleation mode particles with continuous increase in exhaust temperatures. Current 2010 USEPA emissions standards for NO x and PM are set at 0.20 Diesel engines for use in the US are certified on the Federal Test Procedure (FTP) cycle. Click to enlarge.
Green Car Congress
JUNE 2, 2014
In-use testing of three light duty diesel vehicles—certified to US-EPA Tier2-Bin5 and California LEV-II ULEV emissions limits— found a wide variation in real world emissions performance relative to the regulatory limits. diesels and one 3.0L diesels and one 3.0L Click to enlarge.
Green Car Congress
JUNE 3, 2017
In a new study, a team from UCLA, with colleagues from the California Air Resources Board (ARB) and West Virginia University, measured total particle number emission factors (PNEFs) from six newly certified heavy-duty vehicles (HDVs) powered by diesel and CNG totaling over 6,800 miles of on-road operation in California.
Green Car Congress
SEPTEMBER 18, 2015
liter, four-cylinder diesels include software (a “defeat device”) that circumvents EPA emissions standards for NO x. The allegations cover roughly 482,000 diesel passenger cars sold in the United States since 2008. Affected diesel models include: Jetta (Model Years 2009 – 2015). Beetle (Model Years 2009 – 2015).
Green Car Congress
JANUARY 11, 2017
Volkswagen AG has agreed with the US government to resolve criminal and federal environmental and other civil claims against the company relating to the diesel emissions cheating débâcle. The Supervisory Board directed the law firm Jones Day to share all findings of its independent investigation of the diesel matter with the DOJ.
Green Car Congress
OCTOBER 11, 2014
On-road NO x emission levels of Euro 6 diesel cars in Europe are on average about seven times higher than the NO x limit set by the Euro 6 emission standard, according to a new report published in Berlin by the International Council on Clean Transportation (ICCT). Diesel vehicles make up about 50% of all new cars in the EU.
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