We have known for a long time that our nation needs to reduce the amount of dangerous pollution from heavy-duty trucks and buses. Environmental Defense Fund and many others formally petitioned EPA to take protective action. Several states have been working on standards to protect millions of people from the c of nitrogen (NOx) pollution that contributes to unhealthy smog and the greenhouse gases that cause climate change. We need serious national leadership to protect all Americans.
read more www.edf.org/media/america-needs-serious-national-leadership-reduce-pollution-heavy-duty-trucks