Advances like GE’s new hybrid wind turbines could make renewable energy more practical.
Smart grid technology has been implemented in many places, but Florida’s new deployment is the first full-scale system.
A novel chemical pathway could address the high cost of transporting cellulosic materials to make diesel fuel.
Combining aspects of high-energy lithium-sulfur batteries with flow battery technology can lower costs.
Converting methane to an alternative fuel using energy from the sun could reduce carbon-dioxide emissions.
A high-power circuit breaker could finally make DC power grids practical.
Doubling the efficiency of solar devices would completely change the economics of renewable energy. Here is a design that just might make it possible.
Despite the need to reduce carbon dioxide emissions, the burning of coal has only been accelerating.
A prototype system can heat and cool without draining battery power.
An International Energy Agency report calls for more research, carbon price, to help renewables compete.