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Policy

Diesel technology extends beyond just fueling your car. Whether it's fueling the economy, serving as an efficient and secure energy source, or working towards a better environment, clean diesel is always on the agenda. Learn more about the conversation here.

Featured Policy Insider


  • Economy

    Powering the U.S. Economy

    With its unmatched combination of energy density, fuel efficiency, power and performance, diesel engines are the primary technology driving 15 key sectors of the U.S. economy.

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  • Economy

    Fuels Tax Parity

    Clean diesel cars and pickups help us conserve resources and reduce emissions. Find out how motor fuels tax policy plays an important role in promoting a sustainable transportation choice.

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  • Energy

    Energy Security

    Diesel fuel is a key component of America’s energy abundance and puts us on the path to energy security.

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  • Energy

    Biofuels

    First and second generation bio-based diesel fuel help improve air quality, reduce emissions and make diesel part of our sustainable future.

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  • Environment

    Carbon Emissions, COP21 and Diesel Technology

    Find out how advances in one of the oldest technologies will help cool a warming planet.

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  • Environment

    Tier 4 Standards

    The latest clean diesel technologies are now found in the wide variety of off-road equipment helping to reduce emissions and save fuel.

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  • Environment

    Meeting Clean Air Goals

    Diesel continues to serve as an efficient fuel source with near zero emissions helping to provide clean air benefits to communities here at home and around the globe.

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  • Environment

    Climate Change/Black Carbon

    New U.S. clean diesel trucks and buses have significantly lower particulate matter emissions and 99 percent less black carbon emissions.

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  • Environment

    Why Retrofit?

    Diesel retrofits offer several benefits over other emissions reduction strategies, including cost effectiveness and immediate reductions.

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