Sentence examples for emission control standards from inspiring English sources

And, lest a papal blessing for the Environmental Protection Agency's new emission control standards not prove a shocking enough incongruity, the pope made clear his view that support was a moral imperative for all Americans.

By the end of the 1990s, specific emission control standards were required in the United States for "major sources"—those that release more than 10 tons per year of any of these materials or more than 25 tons per year of any combination of them.

In both the US and Europe, a plethora of new diesel engine emission control standards has led to an everchanging description of DPM and its attendant gases and vapors (Johnson, 2006).

This study also shows that firms strategically manage architectural and component knowledge in the presence of uncertainties about their technological capacity to meet new auto emissions control standards.

One of Volkswagen's first moves was to resurrect Rolls -Royce's own 6.75-liter V-8 engine, modifying it to meet European emission-control standards.

For example, "even with emission-control standards, smokestack scrubbers can only get 10% of mercury removed from air emissions leaving the plant," she said.

National air quality standards and emission control technologies are having a positive effect on air quality, but persistent air pollution is increasingly attributable to a growing and outdated vehicle fleet and to famously congested roads.

The engine bench tests showed that the average NOx conversion was greater than 80% in the diesel engine exhaust temperature range of 300 400 °C using our catalytic converter with C2H5OH as reductant, which represents a leap from the Euro II standard to the Euro III standard for NOx emission control in diesel engines.

These 2011 2015 diesel vehicles are equipped with emission control technologies that comply with Euro 5 emission standards for CO, particulate matter (PM), NOx, and non-methane hydrocarbons (NMHCs).

The agency's Monday filing said: "Nearly 600,000 diesel engine vehicles had illegal defeat devices installed that impair their emission control systems and cause emissions to exceed EPA's standards, resulting in harmful air pollution".

Emission control technologies designed to meet the 2007 and 2010 emission standards for heavy-duty diesel vehicles (HDDV) remove effectively the non-volatile fraction of particles, but are comparatively less efficient at controlling the semi-volatile components.