A cheap polymer material increases the power output of methanol fuel cells by 50 percent.
High prices still haven't prompted companies to use advanced extraction methods.
A technology developed by IBM to cool computer chips could be a boon for solar energy.
A simple new process generates hydrogen for fuel cells.
A new membrane-free water-purification system uses small amounts of energy.
A city being built in Abu Dhabi will serve as a large-scale test for renewable energy.
Oil money is being enlisted to build a city that will use no oil and produce no carbon emissions.
Even with oil prices soaring, by some estimates, they're still short of historic highs.
Hybrids, plug-ins, and extended-range electric cars are hitting the market. Use this interactive primer to learn how they work.