HOW IT WORKS: In simple terms, here's how the EPA's hydraulic hybrid works. 1. A 1.9-liter diesel engine powers a pump that compresses gaseous nitrogen in high-pressure tanks.

September 13, 2004Vehicles with the potential for dramatic improvements in fuel efficiency, performance, and cost-effectiveness due to new advancements in hydraulic hybrid technology have been ...

Ford is working with the Center for Compact and Efficient Fluid Power and Folsom Technologies to develop a prototype F-150 light-duty pickup truck propelled by a hydraulic hybrid powertrain.

A hybrid powertrain that uses hydraulic pressure to recover energy normally lost during braking will be tested in a fleet of Ford E550 vans in commercial service, according to ...