Beijing is deploying fifty energy-efficient busses as part of an experimental program to reduce fuel consumption and cut down on pollution. If this pilot is successful, the city may convert...

Beijing is deploying fifty energy-efficient busses as part of an experimental program to reduce fuel consumption and cut down on pollution. If this pilot is successful, the city may convert its entire fleet of vehicles by 2008, just in time for the Olympic games, according to People's Daily.

The busses will be fitted with a “hydraulic hybrid”  device that absorbs and reuses energy that would normally be lost during the busses’ frequent stops. Hybrid hydraulic devices can reduce fuel consumption by up to 30 percent and reduce emissions by between 20 and 70 percent. Additionally, vehicles can be retrofitted with hybrid hydraulics without any major structural changes.

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