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Transportation & Fuel Source Technology

EPA Develops Hydraulic Hybrid System

The Environmental Protection Agency has developed a new fuel saving technology called hydraulic hybrid technology. This system stores energy created while braking in pressurized hydraulic fluid. This is the same sort of fluid used in power steering and in brake lines.

Gasoline-electric hybrids like the Toyota Prius store energy from braking as electricity in batteries to power a supplementary electric motor. The EPA's hydraulic hybrid system stores the energy from braking by compressing hydraulic fluid. The hydraulic pressure is then released to power gears used to help turn the vehicle's wheels. Both forms of hybrids can also store energy while the car is driving.

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