Green Car Congress

OCTOBER 1, 2015

issued its final rule revising the National Ambient Air Quality Standards (NAAQS) for ground-level ozone to 70 parts per billion (ppb) from 75 ppb to protect public health. Ground-level ozone forms when nitrogen oxides (NO x ) and volatile organic compounds (VOCs) react in the air. The US Environmental Protection Agency (EPA).

Ozone 150

Ozone EPA Standards District of Columbia 150

Green Car Congress

SEPTEMBER 2, 2011

In a statement released this morning, President Barack Obama said he has requested that US Environmental Protection Agency (EPA) Administrator Lisa Jackson withdraw the agency’s draft Ozone National Ambient Air Quality Standards (NAAQS) rulemaking. Earlier post.) National Ambient Air Quality Standards (NAAQS).

Ozone 259

Ozone Obama Standards EPA 259

Green Car Congress

DECEMBER 23, 2013

A team at Ford Motor Company’s Research and Innovation Center in Dearborn conducted a detailed study of the effect of ethanol blend level in emissions, using a 2006 model Mercury Grand Marquis flexible fuel vehicle (FFV) operating on E0, E10, E20, E30, E40, E55, and E80 on a chassis dynamometer. Click to enlarge. —Hubbard et al.

Emissions 294

Emissions Ford Exhaust Engine 294