Diesel Emissions Reduction Act of 2025

H.R. 2140, the Diesel Emissions Reduction Act of 2025, is a bill introduced in the House on March 14, 2025, that would address air quality and climate concerns related to diesel emissions. The bill focuses on reducing greenhouse gases and improving air quality by targeting diesel motor vehicles and fuels through environmental protection measures.

If enacted, this legislation would establish policies aimed at lowering diesel emissions from transportation sources. The practical impact on citizens could include stricter emissions standards for diesel vehicles, potential changes to diesel fuel composition or quality requirements, and improved air quality in communities affected by diesel vehicle traffic. The bill is currently in the committee review stage and has not yet been voted on by the full House of Representatives.