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Study finds propane school buses significantly decrease NOx emissions compared to diesel

Green Car Congress

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.

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EPA and California ARB charge Volkswagen with using software defeat device to circumvent NOx testing in 4-cylinder 2.0L diesels

Green Car Congress

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). collectively referred to here as Volkswagen).

EPA 150
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Volkswagen AG agrees to plead guilty and pay $4.3B in criminal and civil penalties; 6 execs and employees indicted

Green Car Congress

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.