NREL's pioneering research, engineering, and analysis accelerate the development of energy-efficient mobility technologies and strategies for passenger and freight transportation. NREL helps its industry partners create innovative components, fuels, infrastructure, and integrated systems for electric, fuel cell, and conventional vehicles.
![Aerial image of vehicles on a road sytem at night.](https://webarchive.library.unt.edu/web/20201218025330im_/https://www.nrel.gov/transportation/assets/images/istock-637510390-home.jpg)