Stored compressed-air is later expanded, powering a hydraulic motor that drives an electric generator.

Compressed-air is stored in airtight caverns for later use in generating electricity when demand is high.

Helping to meet the Administration’s goal of putting a million plug-in EVs on the road by 2015. 

Detailed images and animations of the working concept can be seen at the company’s website.

This research will not only benefit developed countries with existing electricity networks.

Engineers have achieved a two-fold increase in capacity to capture kinetic energy from moving vehicles.

The company is advancing a new, photosynthesis-driven approach to producing renewable fuels.

A pollution-free process for liquefying natural gas and other biogases produces clean fuel.