Which gas is used in transport vehicles ?

Which fuel is used in heavy motor vehicles?

Which fuel is used in heavy motor vehicles?

Ankush noticed that air pollution has increased in the market due to vehicles. Which gas is emitted by vehicles in a large quantitry that causes air pollution?

Which of the given fuels used in motor vehicles is environment friendly

Which fuel is being used in vehicles in big cities like Delhi?

Which of the following animals is used for transport in Tibet?