The latest news on alternative fuels
Why we need a "most-of-the-above" energy policy, and how American can update the way we think about oil.
Liquid salt can be used to power spacecraft.
It's much harder to build good cars than most people realize.
E. coli-produced diesel would not need to be mixed with standard fossil fuel.
China attracted the most clean energy investment in 2012.
Luxury hybrid-electric vehicle maker Fisker could default on its $192 million DOE-backed loan.
The U.S. trade surplus with China in clean energy was more than $1.6 billion.
Prices will have to come down before fuel cell cars become mainstream.
The U.S. is poised to be an energy superpower if only officials cut through red tape and open up more federal lands for development.
Sen. Lisa Murkowski explains how traditional energy sources can fund moving towards renewable energy.