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The hydraulic hybrid system uses stored hydraulic energy instead of diesel fuel to power the truck during waste collection stops. A hydraulic launch assist system, also known as a parallel hybrid, is bolted onto the truck's existing power train and connects using an electronically controlled transfer case.

The proliferation of portable consumer electronics such as computers, cell phones and e-book readers combined with expected expanded production of hybrid and all-electric vehicles has placed significant new demands upon manufacturers for low-cost, energy efficient and environmentally-friendly batteries.

The performance of vehicles with fuel cells is twice as high as those with combustion engines. So we reduce fuel consumption by a factor of 2. What's more, it's possible to significantly reduce CO2 emissions, or green gas emissions due to road traffic.

The project is based on a gradual introduction of hydrogen-powered fuel cell buses and aims to set up bus fleets with fuel cell vehicles and the necessary infrastructure.

The bus is fitted with an electric-motor hybrid system powered by batteries and fuel cells, and is fueled with high-pressure hydrogen gas. During operation, the vehicle does not emit carbon dioxide, said to be a cause of global warming, or any other atmospheric pollutant such as nitrogen oxide; it is both highly energy-efficient and very quiet.