# What the Diesel Emissions Reduction Act of 2023 Actually Does

This bill extends a federal program that helps reduce pollution from diesel engines. The program, which was originally created back in 2005, was set to expire in 2024. This bill simply pushes that expiration date forward to 2029, giving the program five more years to operate.

So what does this program actually do? It provides grants and funding to help replace or upgrade old diesel engines and equipment with cleaner alternatives. This includes things like school buses, garbage trucks, construction equipment, and other heavy-duty vehicles and machinery that run on diesel. The goal is to reduce the harmful air pollution these engines produce, which includes particulate matter and nitrogen oxides that can cause respiratory problems and other health issues.

Who benefits from this? Communities that have a lot of diesel-powered equipment—especially lower-income neighborhoods near ports, highways, and industrial areas—tend to see the biggest health improvements. School districts can use the funding to replace aging buses, which means cleaner air for kids. Businesses that operate fleets of trucks or equipment can get financial help upgrading to newer, less-polluting models. By extending the program through 2029, Congress is saying it wants to keep investing in this pollution-reduction work rather than letting it disappear.

In practical terms, if you live in an area with heavy truck traffic or near a port, this means continued efforts to improve the air quality in your neighborhood. If you work in transportation or construction, it means there may continue to be opportunities for your company to access funding for equipment upgrades.

Diesel Emissions Reduction Act of 2023

Diesel Emissions Reduction Act of 2023 This bill reauthorizes through FY2029 a diesel emissions reduction program under which the Environmental Protection Agency provides grants, rebates, or loans for replacing diesel engines or retrofitting the engines with pollution control technologies.