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Parker Hannifin gaining traction with RunWise HD hydraulic hybrid; developing CNG-based HD system, next-gen MD system

Green Car Congress

As pumps they use mechanical energy to deliver high-pressure oil. As motors they accept high-pressure oil and deliver mechanical energy to drive the vehicle. These are the energy-storage devices for the high-pressure oil. Accumulators. Oil cooler to maintain the proper operating temperature. CNG concept. Low-speed cycle.

Hybrid 246
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We Need More Than Just Electric Vehicles

Cars That Think

The southwest province of Yunnan derives about 70 percent of its electricity from hydropower, slightly more than the percentage in Washington state, while Shandong, a coastal province in the east, derives about 90 percent of its electricity from coal, similar to West Virginia. passenger-vehicle fleet by 2050—some 350 million vehicles.