The U.S. Department of Energy (DOE) Co-Optima initiative is accelerating the introduction of efficient, clean, affordable, and scalable high-performance fuels and engines. This first-of-its-kind effort is simultaneously tackling fuel and engine research and development to maximize light-duty (LD), medium-duty (MD), and heavy-duty (HD) vehicle fuel economy and performance. It is also mapping lower-cost pathways to reduce emissions, leveraging diverse domestic fuel resources, boosting U.S. economic productivity, and enhancing national energy security. These efforts target solutions with potential to improve today’s common fuel and engine types as well as those that could lead to revolutionary technologies.
Original languageAmerican English
Number of pages6
StatePublished - 2020

Bibliographical note

See the Vehicle Technologies Office Advanced Engine and Fuel Technologies 2019 Annual Progress Report at https://www.energy.gov/sites/prod/files/2020/06/f75/VTO_2019_APR_ADV_FUEL_COMPILED_REPORT_compliant%20052020_0.pdf

NREL Publication Number

  • NREL/MP-4A00-78752


  • fuel and engine research
  • fuel economy


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