11 May '18, 2pm

Why are nitrogen oxides federally regulated in vehicles?

Nitrogen oxides, known as NOx, are regulated because they are known to be harmful to human health and air quality. According to the Environmental Protection Agency, exposure to NOx exhaust can cause negative health effects in people and especially children, including eye, nose, throat and lung irritations, headaches and fatigue. Motor vehicles are a primary source of NOx. According to a University of California Riverside study, diesel-fueled medium- and heavy-duty vehicles are the number one source of NOx emissions in almost every single metropolitan region in the U.S. Over the years, the Environmental Protection Agency has set tougher emissions standards on NOx. Since 2010, the NOx engine standard has been 0.2 g/bhp-hr. The California Air Resources Board established optional low-NOx standards below the EPA standard. Manufacturers may choose to certify engines to Californi...

Full article: https://www.schoolbusfleet.com/gotquestions/729159/q-why-...

Tweets

#diesel #nox #emissions, a new #hope from a #Bosh:

#diesel #nox #emissions, a new #hope from a #Bosh:

greencarcongress.com 12 May '18, 3pm

@Mahonj It depends on what we compare to. There are several cars already on the market with this hardware but I cannot ass...

Guillotining Rockets: Iron Curtain Active Protection For Light Vehicles

Guillotining Rockets: Iron Curtain Active Prote...

breakingdefense.com 11 May '18, 6pm

Because Iron Curtain intercepts at such close range, the radar for the system can be fairly simple. Unlike Trophy, which n...