Institute for Policy Integrity logo

Recent Projects

Comments on Proposed Weakening of Vehicle Emissions Standards

In August 2018, the Trump administration issued a proposal to dramatically weaken federal emissions standards for cars and light trucks, and to revoke the waiver that allows California to set its own standards. Federal emissions standards have been enormously successful at reducing greenhouse gas pollution and lowering fuel costs for consumers, and we recently submitted five separate sets of comments detailing the flaws with the Trump administration’s proposal.

In October 2018, we submitted the following:

In December 2018, we submitted supplemental comments rebutting an analysis that was submitted to the agencies by the Alliance of Automobile Manufacturers and NERA Economic Consulting (also available on After NERA responded, in May 2019, we submitted comments responding to NERA (also available on