1. Local media said the explosion was caused by a device using a mobile phone and washing machine motor attached to a gas cylinder.
2. Hybrids draw power from two energy sources, typically a gas or diesel engine combined with an electric motor.
3. Hybrids deliver better mileage than comparable regular cars by switching between the gas engine and an electric motor.
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4. It can effectively control the serious pollution of motor vehicle exhaust gas to air in cities.
5. The project of motor vehicle exhaust gas purifiers mainly involves the deep processing of mineral rare earth sources.
6. All motor vehicles have to undergo two tests of tail gas emission each year as well.