solar powered

The elf solar-powered tricycle on display at the Green Festival. (Credit: Heather Curtis/All-News 99.1)

Solar-Powered Tricycle and Stove on Display at Green Festival

It’s a little bit of “Back to the Future” at the Green Festival in D.C.


The White House is seen in this March 30, 2012 photo on in Washington, D.C. (credit: KAREN BLEIER/AFP/Getty Images)

The White House is Going Solar

The Obamas are going solar. The Washington Post reports that roof panels are being installed atop The White House this week.


The Solar Impulse plane (Photo credit should read Josh Edelson/AFP/Getty Images)

Solar Powered Plane On Final Leg Of Flight To NYC

A solar-powered aircraft has lifted off from a suburban Washington airport, embarking on the final leg of a history-making cross-country flight.