A century ago, the internal combustion engine was a newcomer, and as the technology improved, it became the power source for virtually all modern transportation. But these engines are far from being as energy efficient as possible -- in fact, advancements in the combustion engine could improve passenger vehicle fuel economy by 50 percent. Learn more about how researchers are improving the combustion engine.
Highlighting our list of the most interesting facts about electric vehicles.
Five new R&D projects will focus on reducing energy use and costs for U.S. manufacturers while helping to boost product output and improve companies' bottom lines.
The Technology Showcase at the 2013 ARPA-E Energy Innovation Summit presents 250 of America’s next transformational energy technologies.
Clean Cities coalitions all across the country are helping their communities get ready for plug-in electric vehicles.
A one-stop shop for any road trip, My Trip Calculator is an interactive tool that helps you plan a route, pick a car and estimate a fuel costs.
Test your fuel cell knowledge with these little-known facts.




