Department of Energy sustainable vehicle competition

• Prius, e.g.
• Nissan Leaf, e.g
• Green traffic sight?
• Green jam ingredient?
• Environmentally friendly auto
• Volt, for one
• Energy department competition to build green autos
• Environmentally friendly vehicle

Wikipedia Word definitions in Wikipedia
EcoCAR: The NeXt Challenge is a three-year competition that builds on the 19-year history of U.S. Department of Energy (DOE) advanced vehicle technology competitions by giving engineering students the chance to design and build advanced vehicles that demonstrate ...

Wiktionary Word definitions in Wiktionary
n. A car designed to have minimal impact on the natural environment.