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TechnoNews - USA - Ford's hybrid with hydraulic propulsion system
Hybrids making headway
The down side of gas-electric hybrid cars has been cost and complexity. Now the U.S. environmental watchdog says it has found a simpler, cheaper hybrid technology for motor vehicles
Toronto,Ont,Canada -Toronto Star, by TYLER HAMILTON -Feb. 20, 2006: -- The blogosphere was buzzing last week over a posting at NewTechSpy.com, which claimed that Ford Motor Co. is planning to come out with a hybrid version of its top selling F-150 pickup truck that would get the same mileage as the much smaller Toyota Prius... The secret sauce? Ford's hybrid would be based on a made-in-the-U.S.A. hydraulic propulsion system, rather than the high-tech batteries associated with most hybrid-electric imports. The website claims that Ford will introduce the product in August 2008, though no sources were cited... In a hybrid-hydraulic system envisioned by the EPA, a small gas or diesel engine operates at a constant level and pumps hydraulic fluid into high-pressure cylinders. Pressure is then released to provide acceleration. Energy from braking is also captured in hydraulic form, adding more efficiency to the design... Hydraulic systems provide torque and acceleration that battery-based hybrids can't. But he concedes the technology is ideal for larger vehicles — SUVs, pickups trucks, delivery and fleet vehicles — because elements of the design benefit from a larger chassis...
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