It is exciting to stand only a few meters away and watch scientists clean the asphalt off a fossil that is thousands of years old.

VOA: special.2010.04.07

Mister Zundt says the vehicle releases only water vapor and is "totally clean."

VOA: special.2009.09.07

We have made a historic investment in clean energy, which will not only create the jobs of tomorrow, but will also lay the foundation for long-term economic growth.

VOA: standard.2010.04.25