Lably
Skip to content

Diesel Emissions Reduction Act

U.S. law

  • 6 min read
  • 5 chapters

Related on Lably

Through Particulate matter

Provisions

National grant and loan programs

The Environmental Protection Agency (EPA) was charged with distributing DERA's funds. 70% of these available funds are to provide grants and low-cost revolving loans. These loans are issued on a competitive basis to maximize reductions in diesel emissions in terms of the number of tons of pollution and emissions exposure. DERA highlights that areas with a dense population of fleet vehicles and designated by the EPA as low air quality areas should receive priority for these funds.

DERA also stipulates that at least 50% of the funds available should be distributed to public vehicle fleets. Of the total appropriated funds, 90% must be used for projects that use existing certified engine technology, or verified configuration, and that 10% should be used for developing and commercializing new technologies. Test plans for new technologies should be submitted to the EPA or California Air Resources Board (CARB).

The funds cover retrofit engine technology for buses, medium-duty trucks, heavy-duty trucks, marine engines, locomotives, off-road engines or construction vehicles, cargo handlers, agricultural equipment, mining equipment, and energy production equipment. The funds are appropriated only for voluntary reduction of emissions and cannot be used to meet the requirements of any federal, state, or local laws for emissions standards. Additionally, states cannot themselves mandate the elective emissions reductions.

State grant and loan programs

In addition to national loan programs, DERA made 30% of federally appropriated funds available to support state grant and loan programs that are designed to curb diesel emissions. These funds are designed to help the states meet diesel emissions reductions through the use of certified engine configurations or verified technologies only. This does not cover research and development of new technologies as in the federal grant program. States can apply for this aid through the EPA, which reviews the application and decides if a state is eligible for a monetary allocation. If all 50 states qualify for funding, each state receives 2% of the appropriated funds for the state grant and loan program. However, if all 50 states do not qualify, each qualifying state receives 2% plus a share that is population-dependent for that state. A state that matches the funds appropriated by DERA receives an incentive payment equal to 50% of the funds allocated by the state.

Evaluation and report

DERA required the EPA to submit to Congress a report regarding the implementation of the federal and state grant and loan programs a year after funds were appropriated. The EPA released this report in August 2009, reporting its success in reducing 46,000 tons of nitrogen oxide emissions and 2,200 tons of fine particulate matter. This was reported as a public health benefit between $580 million and $1.4 billion and saved operators 3.2 million US gallons (12,000 m3) of fuel in 2008 (a cost savings of $8 million). The report stated that upwards of 14,000 diesel-powered engines were made cleaner under DERA, two-thirds of those being trucks and school buses through EPA sector outreach programs.

Outreach and incentives

The effect of DERA required that the EPA inform entities that are eligible or potentially eligible for federal and state programs. The resultant movement was the National Clean Diesel Campaign (NCDC). DERA also requires that the EPA share the technological resources regarding the retrofitting and modification of diesel engines to reduce emissions with foreign countries that have poor air quality standards.

Interaction with other laws

DERA clearly stipulates that any provisions made does not supersede any authority of the Clean Air Act (42 U.S.C. 7401–7626) on or before DERA's effective date.

Sign in to keep reading

4 more chapters are free with a Lably account.

More in Energy