June 14, 2023
| Elizabeth Gore, Senior Vice President, Political Affairs
President Biden today vetoed a Republican-led repeal of public health and clean air rules that his administration finalized in December 2022. EPA’s Heavy-Duty NOx Final Rule applies nitrogen oxides (NOx) emissions standards to new medium- and heavy-duty diesel vehicles sold in model years 2027 and later, the first update to the standards in over 20 years. The new standards on NOx emissions are more than 80% stronger than current standards according to the EPA.