Tesla has introduced a huge new battery system that will allow the integration of wind and solar power sources into large-scale utility grids.

A process that uses electrochemistry and requires no upfront energy input could generate enough electricity to power a wastewater treatment plant.

Toyota is working with solar-cell maker Sharp to explore solar-powered EVs using new, experimental, high-efficiency solar panels on a modified Prius.

Sodium ion battery chemistry may have a chance of replacing lithium ion batteries, but only if some of the challenges of finding better anode materials can be met.

Researchers have proved a new method for energy transfer in a silicon-based solar cell, which could lead to significantly higher efficiency levels.

Sales volumes are still small, but electric vehicles are still having a large and growing effect on the overall auto industry.

Wireless charging is the best way for automakers to meet consumer demand for better charging performance in their vehicles. But there significant challenges to getting this innovation to market.

Researchers have developed a thermoelectric 3D-printed device with the highest conversion efficiency to date.